jbedo · December 17, 2015 08:39
diff --git a/categories b/categories
 100.10.100.10.10: Biological fluid mechanics
 100.10.100.10.20: Bone and joint mechanics
 100.10.100.10.30: Cell mechanics
 100.10.100.10: Biomechanics
 100.10.100.20: Bone
 100.10.100.30: Cartilage
 100.10.100.40: Exertion
 100.10.100.50: Hand strength
 100.10.100.60.10: Muscle biochemistry
 100.10.100.60.20: Muscle components
 100.10.100.60.30: Muscle functions
 100.10.100.60.40: Muscle types
 100.10.100.60: Muscle
 100.10.100.70: Musculoskeletal anatomy
 100.10.100.80: Robotics
 100.10.100: Musculoskeletal system
 100.10.10: Comparative anatomy
 100.10.110.100: Peripheral nervous system
 100.10.110.10: Central nervous system
 100.10.110.110: Sensory physiology
 100.10.110.120: Synapses
 100.10.110.20: Ganglia
 100.10.110.30: Motor systems
 100.10.110.40: Nerve tissue
 100.10.110.50: Nervous system components
 100.10.110.60: Nervous system physiology
 100.10.110.70: Neural homeostasis
 100.10.110.80: Neural pathways
 100.10.110.90: Neuroanatomy
 100.10.110: Neurological system
 100.10.120.10: Ocular anatomy
 100.10.120: Ocular system
 100.10.130: Physiogenomics
 100.10.140.10: Aging
 100.10.140.20: Biomineralization
 100.10.140.30: Chronobiology
 100.10.140.40: Energy metabolism
 100.10.140.50: Homeostasis
 100.10.140.60: Sleep
 100.10.140: Physiological processes
 100.10.150.10: Drug excretion
 100.10.150.20: Renal anatomy
 100.10.150.30: Renal circulation
 100.10.150.40: Renal physiology
 100.10.150: Renal system
 100.10.160.10: Genital anatomy
 100.10.160.20: Reproductive physiology
 100.10.160.30: Sexual reproduction
 100.10.160: Reproductive system
 100.10.170.10: Respiratory physiology
 100.10.170: Respiratory system
 100.10.180: Sensory systems
 100.10.190.10: Skin anatomy
 100.10.190.20: Skin physiology
 100.10.190: Skin
 100.10.20.10: Cardiovascular anatomy
 100.10.20.20: Circulatory physiology
 100.10.20: Cardiovascular system
 100.10.30: Cell physiology
 100.10.40.10: Digestive anatomy
 100.10.40.20.10: Digestive functions
 100.10.40.20.20: Digestive regulation
 100.10.40.20.30: Drug excretion
 100.10.40.20: Digestive physiology
 100.10.40: Digestive system
 100.10.50: Electrophysiology
 100.10.60.10: Adrenal cortex
 100.10.60.20: Diabetic endocrinology
 100.10.60.30.100: Hormone synthesis
 100.10.60.30.10: Adrenarche
 100.10.60.30.110: Hormone transport
 100.10.60.30.120: Insulin
 100.10.60.30.130: Insulin-like growth factor
 100.10.60.30.140: Neuroendocrinology
 100.10.60.30.150: Oxytocin
 100.10.60.30.160: Paracrine mechanisms
 100.10.60.30.170: Parathyroid
 100.10.60.30.180: Pheromones
 100.10.60.30.190: Pituitary
 100.10.60.30.200: Prohormones
 100.10.60.30.20: Autocrine mechanism
 100.10.60.30.210: Reproductive endocrinology
 100.10.60.30.220: Thyroid
 100.10.60.30.30: Endocrine cells
 100.10.60.30.40: Endocrine glands
 100.10.60.30.50: Endocrine subsystems
 100.10.60.30.60: Endocrine-related substances
 100.10.60.30.70: Epidermal growth factor
 100.10.60.30.80: Growth factors
 100.10.60.30.90: Hormones
 100.10.60.30: Endocrine physiology
 100.10.60: Endocrine system
 100.10.70: Fluid physiology
 100.10.80.10: Antibodies
 100.10.80.20: Antigens
 100.10.80.30: Bone marrow
 100.10.80.40: Cell surface molecules
 100.10.80.50: Immune cells
 100.10.80.60: Complement system
 100.10.80.70: Cytokines
 100.10.80.80: Lymphatic system
 100.10.80: Immune physiology
 100.10.90: Integrative physiology
 100.100.10.10: Clinical chemistry
 100.100.10.20: Clinical immunology
 100.100.10.30: Transfusion medicine
 100.100.10: Clinical laboratory sciences
 100.100.20.10: Electroencephalography
 100.100.20.20: Electromyography
 100.100.20.30: Evoked potential
 100.100.20.40: Nerve conduction study
 100.100.20.50: Polysomnography
 100.100.20: Clinical neurophysiology
 100.100.30.10.10: Autopsy pathology
 100.100.30.10.20: Cytopathology
 100.100.30.10.30: Forensic pathology
 100.100.30.10.40: Histopathology
 100.100.30.10.50: Neuropathology
 100.100.30.10.60: Surgical pathology
 100.100.30.10: Anatomical pathology
 100.100.30.20.10: Clinical chemistry
 100.100.30.20.20: Clinical microbiology
 100.100.30.20.30: Hematopathology
 100.100.30.20.40: Molecular genetics
 100.100.30.20: Clinical pathology
 100.100.30.30.10: Biomarkers
 100.100.30.30.20: Molecular pathology
 100.100.30.30: General pathology
 100.100.30: Pathology
 100.100.40: Test evaluation
 100.100: Diagnostic medicine
 100.10: Anatomy and physiology
 100.110.100: Medical devices
 100.110.10: Adverse reactions
 100.110.110: Neuropharmacology
 100.110.120: Pharmacodynamics
 100.110.130: Pharmacoeconomics
 100.110.140: Pharmacoepidemiology
 100.110.150: Pharmacogenetics
 100.110.160.10: Drug absorption
 100.110.160.20: Drug distribution
 100.110.160.30: Drug excretion
 100.110.160.40: Drug liberation
 100.110.160.50: Drug metabolism
 100.110.160: Pharmacokinetics
 100.110.170: Psychopharmacology
 100.110.180: Theoretical pharmacology
 100.110.20.10: Drug dependence
 100.110.20.20: Recreational drug use
 100.110.20: Behavioral pharmacology
 100.110.30: Cardiovascular pharmacology
 100.110.40: Clinical pharmacology
 100.110.50: Drug information
 100.110.60: Drug interactions
 100.110.70.10: Drug discovery
 100.110.70.20: Drug licensing and regulation
 100.110.70.30: Drug marketing
 100.110.70: Drug research and development
 100.110.80: Environmental pharmacology
 100.110.90: Ethnopharmacology
 100.110: Drugs and devices
 100.120.10: Adrenal cortex
 100.120.20.10: Diabetes mellitus type 1
 100.120.20.20: Diabetes mellitus type 2
 100.120.20.30: Gestational diabetes
 100.120.20.40: Insulin
 100.120.20: Diabetic endocrinology
 100.120.30.100: Hormone synthesis
 100.120.30.10: Adrenarche
 100.120.30.110: Hormone transport
 100.120.30.120: Insulin
 100.120.30.130: Insulin-like growth factor
 100.120.30.140: Neuroendocrinology
 100.120.30.150: Oxytocin
 100.120.30.160: Paracrine mechanisms
 100.120.30.170: Parathyroid
 100.120.30.180: Pheromones
 100.120.30.190: Pituitary
 100.120.30.200: Prohormones
 100.120.30.20: Autocrine mechanism
 100.120.30.210: Reproductive endocrinology
 100.120.30.220: Thyroid
 100.120.30.30: Endocrine cells
 100.120.30.40: Endocrine glands
 100.120.30.50: Endocrine subsystems
 100.120.30.60: Endocrine-related substances
 100.120.30.70: Epidermal growth factor
 100.120.30.80: Growth factors
 100.120.30.90: Hormones
 100.120.30: Endocrine physiology
 100.120.40: Neuroendocrinology
 100.120.50: Pediatric endocrinology
 100.120.60: Pituitary
 100.120.70: Reproductive endocrinology
 100.120.80.10: Graves' disease
 100.120.80.20: Hashimoto disease
 100.120.80.30: Hypothyroidism
 100.120.80: Thyroid
 100.120: Endocrinology
 100.130.100: Epidemiology of aging
 100.130.10: Biomarker epidemiology
 100.130.110: Disease mapping
 100.130.120: Genetic epidemiology
 100.130.130: Infectious disease epidemiology
 100.130.140: Lifecourse epidemiology
 100.130.150: Molecular epidemiology
 100.130.160: Pediatric epidemiology
 100.130.170: Pharmacoepidemiology
 100.130.180: Social epidemiology
 100.130.190: Spatial epidemiology
 100.130.200: Survey methods
 100.130.20: Cancer epidemiology
 100.130.30: Cardiovascular disease epidemiology
 100.130.40: Clinical epidemiology
 100.130.50: Conflict epidemiology
 100.130.60: Disease informatics
 100.130.70: Economic epidemiology
 100.130.80: Environmental epidemiology
 100.130.90: Epidemiological methods
 100.130: Epidemiology
 100.140.10.10: Hemorrhoids
 100.140.100: Gastrointestinal infections
 100.140.10: Anal and rectal disorders
 100.140.110: Gastrointestinal motility disorders
 100.140.120.10: Crohn disease
 100.140.120.20: Ulcerative colitis
 100.140.120: Inflammatory bowel disease
 100.140.130.100: Wilson disease
 100.140.130.10: Acute liver failure
 100.140.130.20: Alcoholic liver disease
 100.140.130.30: Autoimmune hepatitis
 100.140.130.40: Cirrhosis
 100.140.130.50: Hemochromatosis
 100.140.130.60.10: Hepatitis A
 100.140.130.60.20: Hepatitis B
 100.140.130.60.30: Hepatitis C
 100.140.130.60.40: Other viral hepatitis
 100.140.130.60: Infectious hepatitis
 100.140.130.70: Liver disease and pregnancy
 100.140.130.80: Nonalcoholic steatohepatitis
 100.140.130.90: Portal hypertension
 100.140.130: Liver diseases
 100.140.140.10: Pancreatitis
 100.140.140: Pancreas
 100.140.150.10: Hirschsprung disease
 100.140.150: Pediatric gastroenterology
 100.140.160: Small intestine
 100.140.170.10: Gastritis
 100.140.170.20: Peptic ulcer disease
 100.140.170.30: Zollinger-Ellison syndrome
 100.140.170: Stomach and duodenum
 100.140.20: Appendicitis
 100.140.30: Bacterial and foodborne illness
 100.140.40.10: Cholecystitis and biliary colic
 100.140.40.20: Cholelithiasis
 100.140.40.30: Primary biliary cirrhosis
 100.140.40.40: Primary sclerosing cholangitis
 100.140.40: Biliary disorders
 100.140.50: Celiac disease
 100.140.60.10: Colon anatomy and development
 100.140.60.20: Colonoscopy
 100.140.60.30: Diverticulitis
 100.140.60.40: Fistulas
 100.140.60.50: Malrotation
 100.140.60.60: Small bowel and colonic intussusception
 100.140.60.70: Volvulus
 100.140.60: Colon
 100.140.70: Endoscopy
 100.140.80: Esophagus
 100.140.90: Gastrointestinal cancers
 100.140: Gastroenterology and hepatology
 100.150.10: Long-term care
 100.150.20: Rehabilitation
 100.150: Geriatrics
 100.160: Global health
 100.170.10.10.10: Autoimmune hemolytic anemia
 100.170.10.10.20: Drug-induced hemolytic anemia
 100.170.10.10.30: Glucose-6-phosphate dehydrogenase
 100.170.10.10.30: Glucose-6-phosphate dehydrogenase deficiency
 100.170.10.10: Hemolytic anemia
 100.170.10.20: Iron deficiency anemia
 100.170.10.30.10: Folate deficiency
 100.170.10.30.20: Vitamin B12 deficiency
 100.170.10.30: Megaloblastic anemia
 100.170.100.10: Hypergammaglobulinemia
 100.170.100.20: Multiple myeloma
 100.170.100: Plasma cell disorders
 100.170.10: Anemia
 100.170.110.10: Disseminated intravascular coagulation
 100.170.110.20: Thrombocytopenia
 100.170.110.30: Wiskott-Aldrich syndrome
 100.170.110: Platelets
 100.170.120: Red cells
 100.170.130: Transfusion medicine
 100.170.140.10: Neuropenia
 100.170.140: White cells
 100.170.20.10: Aplastic anemia
 100.170.20: Bone marrow failure
 100.170.30: Bone marrow and stem cell transplantation
 100.170.40.10: Antiphospholipid syndrome
 100.170.40.20: Coagulation factor deficiences
 100.170.40.30: Disseminated intravascular coagulation
 100.170.40.40: Factor V Leiden
 100.170.40.50: Hemophilia A
 100.170.40.60: Hemophilia B
 100.170.40.70: Protein C deficiency
 100.170.40.80: Protein S deficiency
 100.170.40.90: von Willebrand disease
 100.170.40: Coagulation disorders
 100.170.50.10.10: Acute lymphoblastic leukemia
 100.170.50.10.20: Acute myeloid leukemia
 100.170.50.10.30: Chronic lymphoblastic leukemia
 100.170.50.10.40: Chronic myeloid leukemia
 100.170.50.10: Leukemias
 100.170.50.20.10: Hodgkin lymphoma
 100.170.50.20.20: Non-Hodgkin lymphoma
 100.170.50.20: Lymphomas
 100.170.50.30: Myelodysplastic syndromes
 100.170.50.40: Myelomas and lymphoproliferative diseases
 100.170.50.50.10: Chronic myeloid leukemia
 100.170.50.50.20: Leukocytosis
 100.170.50.50.30: Polycythemia vera
 100.170.50.50.40: Thrombocytosis
 100.170.50.50: Myeloproliferative disorders
 100.170.50: Hematologic cancers and related disorders
 100.170.60: Hematopoiesis
 100.170.70: Heme synthesis
 100.170.80.10: Sickle cell disease
 100.170.80.20: Alpha-thalassemia
 100.170.80.30: Beta-thalassemia
 100.170.80: Hemoglobinopathies
 100.170.90: Pediatric hematology
 100.170: Hematology
 100.180.10.1000: Mycobacterium
 100.180.10.100: Bacillus cereus infection
 100.180.10.1010: Mycobacterium avium complex
 100.180.10.1020: Mycoplasma pneumonia
 100.180.10.1030: Nanobacterium
 100.180.10.1040: Necrotizing fasciitis
 100.180.10.1050: Nocardiosis
 100.180.10.1060: Nontuberculous mycobacteria
 100.180.10.1070: Nosocomial infections
 100.180.10.1080: Omphalitis
 100.180.10.1090: Orbital cellulitis
 100.180.10.10: Acinetobacter infections
 100.180.10.1100: Osteomyelitis
 100.180.10.110: Bacteremia
 100.180.10.1110: Overwhelming post-splenectomy infections
 100.180.10.1120: Panton-Valentine leukocidin
 100.180.10.1130: Pasteurella multocida
 100.180.10.1140: Pasteurellosis
 100.180.10.1150: Pericoronal abscesses
 100.180.10.1160: Perio-endo
 100.180.10.1170: Periodontal abscesses
 100.180.10.1180: Periorbital cellulitis
 100.180.10.1190: Peritonsillar abscess
 100.180.10.1200: Pertussis
 100.180.10.120: Bacterial meningitis
 100.180.10.1210: Phenol-soluble modulin
 100.180.10.1220: Pinta
 100.180.10.1230: Plagues
 100.180.10.1240: Pneumococcus
 100.180.10.1250: Pneumonic plagues
 100.180.10.1260: Pott disease
 100.180.10.1270: Prevotella infection
 100.180.10.1280: Proctitis
 100.180.10.1290: Proteus OX19
 100.180.10.1300: Pseudomonas infections
 100.180.10.130: Bacterial pneumonia
 100.180.10.1310: Psittacosis
 100.180.10.1320: Pyemia
 100.180.10.1330: Pyomyositis
 100.180.10.1340: Q-fever
 100.180.10.1350: Rat-bite fever
 100.180.10.1360: Relapsing fever
 100.180.10.1370: Rickettsia prowazekii
 100.180.10.1380: Rickettsia rickettsii
 100.180.10.1390: Rickettsia
 100.180.10.1400: Rickettsialpox
 100.180.10.140: Bacteroides infection
 100.180.10.1410: Rocky Mountain spotted fever
 100.180.10.1420: Salmonella
 100.180.10.1430: Salmonellosis
 100.180.10.1440: Scarlet fever
 100.180.10.1450: Scrub typhus
 100.180.10.1460: Septicemic plagues
 100.180.10.1470: Serratia infections
 100.180.10.1480: Shigellosis
 100.180.10.1490: Shigellosis infections
 100.180.10.1500: Smet
 100.180.10.150: Bartonellosis
 100.180.10.1510: Sodoku
 100.180.10.1520: Soft-tissue infections
 100.180.10.1530: Southern tick-associated rash illness
 100.180.10.1540: Spondylitis
 100.180.10.1550: Staph infections
 100.180.10.1560: Staphylococcal food poisoning
 100.180.10.1570: Staphylococcal infection
 100.180.10.1580: Staphylococcal scalded skin syndrome
 100.180.10.1590: Staphylococcus aureus
 100.180.10.1600: Strep throat
 100.180.10.160: Bejel
 100.180.10.1610: Streptococcal pharyngitis
 100.180.10.1620: Streptococcal infections
 100.180.10.1630: Swimmer's ear
 100.180.10.1640: Swine brucellosis
 100.180.10.1650: Syphilitic aortitis
 100.180.10.1660: Tetanus
 100.180.10.1670: Toxic shock syndrome
 100.180.10.1680: Toxic shock syndrome
 100.180.10.1690: Trachoma
 100.180.10.1700: Trench fever
 100.180.10.170: Bloodstream infections
 100.180.10.1710: Tropical ulcers
 100.180.10.1720.10: Bovine tuberculosis in humans
 100.180.10.1720.20: Extensively drug-resistant
 100.180.10.1720.20: Extensively drug-resistant tuberculosis
 100.180.10.1720.30: Miliary tuberculosis
 100.180.10.1720.40: Multi-drug-resistant tuberculosis
 100.180.10.1720: Tuberculosis
 100.180.10.1730: Tularemia
 100.180.10.1740: Typhus
 100.180.10.1750: Ureaplasma urealyticum infections
 100.180.10.1760: Urinary tract infections
 100.180.10.1770: Vancomycin-resistant staphylococcus aureus
 100.180.10.1780: Vibrio vulnificus
 100.180.10.1790: Waterhouse-Friderichsen syndrome
 100.180.10.1800: Widal test
 100.180.10.180: Borrelia infection
 100.180.10.1810: Yaws
 100.180.10.1820: Yersinia pestis
 100.180.10.1830: Yersinia pseudotuberculosis
 100.180.10.1840: Yersinia pseudotuberculosis infection
 100.180.10.1850: Yersiniosis
 100.180.10.190: Botryomycosis
 100.180.10.200: Botulism
 100.180.10.20: Acinetobacter baumannii
 100.180.10.210: Bovine tuberculosis in humans
 100.180.10.220: Brazilian purpuric fever
 100.180.10.230: Brodie abscess
 100.180.10.240: Bubonic plague
 100.180.10.250: Burkholderia cepacia complex
 100.180.10.260: Burkholderia infection
 100.180.10.270: Buruli ulcer
 100.180.10.280: Campylobacter
 100.180.10.290: Campylobacteriosis
 100.180.10.300: Capnocytophaga canimorsus
 100.180.10.30: Actinomycosis
 100.180.10.310: Caries
 100.180.10.320: Cariogram
 100.180.10.330: Carrion's disease
 100.180.10.340: Cellulitis
 100.180.10.350: Centor criteria
 100.180.10.360: Cholera
 100.180.10.370: Chronic bacterial prostatitis
 100.180.10.380: Chronic recurrent multifocal osteomyelitis
 100.180.10.390: Clostridium difficile
 100.180.10.400: Combined periodontal-endodontic abscesses
 100.180.10.40: Acute prostatitis
 100.180.10.410: Combined periodontal-endodontic lesions
 100.180.10.420: Congenital syphilis
 100.180.10.430: Contagious bovine pleuropneumonia
 100.180.10.440: Copper-silver ionization
 100.180.10.450: Diphtheria
 100.180.10.460: Diphtheritic stomatitis
 100.180.10.470: Ehrlichiosis
 100.180.10.480: Ehrlichiosis (canine)
 100.180.10.490: El Tor
 100.180.10.500: Endo-perio
 100.180.10.50: Aeromonas hydrophila
 100.180.10.510: Enterobacter infections
 100.180.10.520: Enterococcus infection
 100.180.10.530: Epidemic typhus
 100.180.10.540: Epiglottitis
 100.180.10.550: Erysipelas
 100.180.10.560: Escherichia coli
 100.180.10.570: European Working Group for Legionella
 100.180.10.570: European Working Group for Legionella Infections
 100.180.10.580: Fitz-Hugh-Curtis syndrome
 100.180.10.590: Food poisoning by Clostridium perfringens
 100.180.10.600: Fusobacterium infections
 100.180.10.60: Annual ryegrass toxicity
 100.180.10.610: Garre's sclerosing osteomyelitis
 100.180.10.620: Gas gangrene
 100.180.10.630: Ghon complex
 100.180.10.640: Gingival abscesses
 100.180.10.650: Glanders
 100.180.10.660: Granuloma inguinale
 100.180.10.670: Group A streptococcal infection
 100.180.10.680: Group B streptococcal infection
 100.180.10.690: Haemophilus influenzae
 100.180.10.700: Helicobacter pylori
 100.180.10.70: Anthrax
 100.180.10.710: Hansen disease
 100.180.10.720: Hemolytic-uremic syndrome
 100.180.10.730: History of tuberculosis
 100.180.10.740: Hot-tub folliculitis
 100.180.10.750: Human ewingii ehrlichiosis
 100.180.10.760: Human granulocytic anaplasmosis
 100.180.10.770: Human monocytic ehrlichiosis
 100.180.10.780: Human monocytotropic ehrlichiosis
 100.180.10.790: Impetigo
 100.180.10.800: Kingella kingae infection
 100.180.10.80: Antibiotic-associated colitis
 100.180.10.810: Klebsiella infections
 100.180.10.820: Klebsiella pneumonia
 100.180.10.830: Lady Windermere syndrome
 100.180.10.840: Legionella
 100.180.10.850: Legionellosis
 100.180.10.860: Lemierre syndrome
 100.180.10.870: Leprosy
 100.180.10.880: Leptospirosis
 100.180.10.890: Listeriosis
 100.180.10.900: Ludwig angina
 100.180.10.90: Arcanobacterium haemolyticum infection
 100.180.10.910: Lyme disease
 100.180.10.920: Malignant external otitis
 100.180.10.930: Melioidosis
 100.180.10.940: Meningitis
 100.180.10.950: Meningoccal septicemia
 100.180.10.960: Meningococcal disease
 100.180.10.970: Meningococcal infections
 100.180.10.980: Methicillin-resistant Staphylococcus aureus
 100.180.10.990: Murine typhus
 100.180.100.10: Bovine spongiform encephalopathy
 100.180.100.20: Creutzfeldt-Jakob disease
 100.180.100.30: Fatal familial insomnia
 100.180.100.40: Gerstmann-Straussler-Scheinker disease
 100.180.100.50: Kuru
 100.180.100: Prion diseases
 100.180.10: Bacterial diseases
 100.180.110.100: Molluscum contagiosum
 100.180.110.10: AIDS
 100.180.110.110: Scabies
 100.180.110.120: Syphilis
 100.180.110.130: Trichomoniasis
 100.180.110.20: Bacterial vaginosis
 100.180.110.30: Candidiasis
 100.180.110.40: Chancroid
 100.180.110.50: Chlamydia
 100.180.110.60: Condyloma acuminata
 100.180.110.70: Gonorrhea
 100.180.110.80: Herpes simplex
 100.180.110.90: Human papillomavirus infection
 100.180.110: Sexually transmitted diseases
 100.180.120: Skin infections
 100.180.130.10: Filariasis
 100.180.130.20: Flavivirus
 100.180.130.30: Foodborne trematodiases
 100.180.130.40.10: Plasmodium falciparum
 100.180.130.40.20: Plasmodium malariae
 100.180.130.40.30: Plasmodium ovale
 100.180.130.40.40: Plasmodium vivax
 100.180.130.40: Malaria
 100.180.130.50: Neurocysticercosis
 100.180.130.60: Strongyloidiasis
 100.180.130.70: Treponematoses
 100.180.130.80: Tuberculosis
 100.180.130: Tropical diseases (non-neglected)
 100.180.140: Travel-associated diseases
 100.180.150: Urologic infections
 100.180.160.100: Crimean-Congo hemorrhagic fever
 100.180.160.10: Argentine hemorrhagic fever
 100.180.160.110: Cytomegalovirus infection
 100.180.160.120: Dengue
 100.180.160.130: Ebola hemorrhagic fever
 100.180.160.140: Encephalitis lethargica
 100.180.160.150: Enterovirus infection
 100.180.160.160: Epstein-Barr virus infectious mononucleosis
 100.180.160.170: Erythema infectiosum
 100.180.160.180: Exanthem subitum
 100.180.160.190: Hand, foot, and mouth disease
 100.180.160.200: Hantavirus pulmonary syndrome
 100.180.160.20: Astrovirus infection
 100.180.160.210: Hemorrhagic fever with renal syndrome
 100.180.160.220.10: Hepatitis A
 100.180.160.220.20: Hepatitis B
 100.180.160.220.30: Hepatitis C
 100.180.160.220.40: Hepatitis delta
 100.180.160.220.50: Hepatitis E
 100.180.160.220: Hepatitis
 100.180.160.230: Herpes simplex
 100.180.160.240.10: HIV clinical manifestations
 100.180.160.240.20: HIV diagnosis and management
 100.180.160.240.30: HIV epidemiology
 100.180.160.240.40: HIV opportunistic infections
 100.180.160.240.50: HIV prevention
 100.180.160.240.60: Retrovirology and HIV
 100.180.160.240.60: Retrovirology and HIV immunopathogenesis
 100.180.160.240: HIV
 100.180.160.250: Human bocavirus infection
 100.180.160.260: Human metapneumovirus infection
 100.180.160.270: Human papillomavirus infection
 100.180.160.280: Human parainfluenza virus infection
 100.180.160.290: Influenza
 100.180.160.300: Japanese encephalitis
 100.180.160.30: Bk virus infection
 100.180.160.310: Jungle yellow fever
 100.180.160.320: Lassa fever
 100.180.160.330: Lymphocytic choriomeningitis
 100.180.160.340: Marburg hemorrhagic fever
 100.180.160.350: Measles
 100.180.160.360: Mumps
 100.180.160.370: Poliomyelitis
 100.180.160.380: Progressive multifocal leukoencephalopathy
 100.180.160.390: Rabies
 100.180.160.400: Respiratory syncytial virus infection
 100.180.160.40: Bolivian hemorrhagic fever
 100.180.160.410: Rhinovirus infection
 100.180.160.420: Rift Valley fever
 100.180.160.430: Rotavirus infection
 100.180.160.440: Rubella
 100.180.160.450: SARS
 100.180.160.460: Shingles
 100.180.160.470: Smallpox
 100.180.160.480: Venezuelan equine encephalitis
 100.180.160.490: Venezuelan hemorrhagic fever
 100.180.160.500: Viral hemorrhagic fevers
 100.180.160.50: Brazilian hemorrhagic fever
 100.180.160.510: Viral pneumonia
 100.180.160.520: West Nile fever
 100.180.160.530: Yellow fever
 100.180.160.60: Calicivirus infection
 100.180.160.70: Chickenpox
 100.180.160.80: Colorado tick fever
 100.180.160.90: Common cold
 100.180.160: Viral diseases
 100.180.170.10: Anopheles
 100.180.170.20: Lice
 100.180.170.30: Mosquitoes
 100.180.170.40: Ticks
 100.180.170.50: Triatoma
 100.180.170.60: Tsetse fly
 100.180.170: Vectors and hosts
 100.180.180.100: Escherichia coli
 100.180.180.10: Avian influenza A viruses
 100.180.180.110: Hantavirus
 100.180.180.120: Hendra virus
 100.180.180.130: Henipavirus
 100.180.180.140: Korean hemorrhagic fever
 100.180.180.150: Kyasanur Forest disease
 100.180.180.160: Lymphocytic choriomeningitis virus
 100.180.180.170: L?brea fever
 100.180.180.180: Marburg fever
 100.180.180.190: Mediterranean spotted fever
 100.180.180.200: Monkey B
 100.180.180.20: Barmah Forest virus
 100.180.180.210: Nipah fever
 100.180.180.220: Ocular karva migrans
 100.180.180.230: Omsk hemorrhagic fever
 100.180.180.240: Orf (disease)
 100.180.180.250: Oropouche fever
 100.180.180.260: Puumala virus
 100.180.180.270: Streptococcus suis
 100.180.180.280: Taeniasis
 100.180.180.30: Borna virus infection
 100.180.180.40: Bovine tuberculosis
 100.180.180.50: Brucellosis
 100.180.180.60: Cat scratch disease
 100.180.180.70: Chlamydophila psittaci
 100.180.180.80: Cowpox
 100.180.180.90: Ebola
 100.180.180: Zoonoses
 100.180.20.100: Histoplasmosis
 100.180.20.10: Aspergillosis
 100.180.20.110: Microsporidiosis
 100.180.20.120: Mycetoma
 100.180.20.130: Mycosis
 100.180.20.140: Mycosis infections
 100.180.20.150: Paracoccidiomycosis
 100.180.20.160: Pneumocystis
 100.180.20.170: Rhinosporidiosis
 100.180.20.180: Sporotrichosis
 100.180.20.190: Subcutaneous mycoses
 100.180.20.200: Superficial mycoses
 100.180.20.20: Black piedra
 100.180.20.210: Systemic mycoses
 100.180.20.220: Tinea
 100.180.20.230: White piedra
 100.180.20.240: Zygomycosis
 100.180.20.30: Blastomycosis
 100.180.20.40: Chromoblastomycosis
 100.180.20.50: Coccidioidomycosis
 100.180.20.60: Cryptococcosis
 100.180.20.70: Cutaneous mycoses
 100.180.20.80: Dermatophytosis
 100.180.20.90: Geotrichosis
 100.180.20: Fungal diseases
 100.180.30: Gastrointestinal infections
 100.180.40: Gynecologic infections
 100.180.50: Infectious disease control
 100.180.60: Infectious disease modeling
 100.180.70: Infectious diseases of the nervous system
 100.180.80.100: Buruli ulcer
 100.180.80.10: African trypanosomiasis
 100.180.80.110: Chagas disease
 100.180.80.120: Cholera
 100.180.80.130: Clonorchiasis
 100.180.80.140: Cysticercosis
 100.180.80.150: Dengue fever
 100.180.80.160: Dracunculiasis
 100.180.80.170: Echinococcosis
 100.180.80.180: Ectoparasitic infections
 100.180.80.190: Fascioliasis
 100.180.80.200: Fasciolopsiasis
 100.180.80.20: Amebiasis
 100.180.80.210: Food-borne trematodes
 100.180.80.220: Giardiasis
 100.180.80.230: Hookworm
 100.180.80.240: Japanese encephalitis
 100.180.80.250: Jungle yellow fever
 100.180.80.260: Leishmaniasis
 100.180.80.270: Leprosy
 100.180.80.280: Leptospirosis
 100.180.80.290: Loiasis
 100.180.80.300: Lymphatic filariasis
 100.180.80.30: Arboviral infections
 100.180.80.310: Mycetoma
 100.180.80.320: Myiasis
 100.180.80.330: Neurocysticercosis
 100.180.80.340: Nutritional diseases
 100.180.80.350: Onchocerciasis
 100.180.80.360: Opisthorchiasis
 100.180.80.370: Paracoccidiomycosis
 100.180.80.380: Paragonimiasis
 100.180.80.390: Pinta
 100.180.80.400: Rabies
 100.180.80.40: Ascariasis
 100.180.80.410: Rift Valley fever
 100.180.80.420: Scabies
 100.180.80.430: Schistosomiasis
 100.180.80.440: Soil-transmitted helminths
 100.180.80.450: Strongyloidiasis
 100.180.80.460: Syphilis
 100.180.80.470: Toxocariasis
 100.180.80.480: Toxoplasmosis
 100.180.80.490: Trachoma
 100.180.80.500: Trichuriasis
 100.180.80.50: Balantidiasis
 100.180.80.510: Viral hemorrhagic fevers
 100.180.80.520: Yaws
 100.180.80.60: Bartonella
 100.180.80.70: Bejel
 100.180.80.80: Bovine tuberculosis in humans
 100.180.80.90: Brucellosis
 100.180.80: Neglected tropical diseases
 100.180.90.100: Cryptosporidiosis
 100.180.90.10: African trypanosomiasis
 100.180.90.110: Cutaneous larva migrans
 100.180.90.120: Cyclosporiasis
 100.180.90.130: Cysticercosis
 100.180.90.140: Dientamoebiasis
 100.180.90.150: Diphyllobothriasis
 100.180.90.160: Dracunculiasis
 100.180.90.170: Echinococcosis
 100.180.90.180: Ectoparasitic infections
 100.180.90.190: Elephantiasis
 100.180.90.200: Enterobiasis
 100.180.90.20: Amebiasis
 100.180.90.210: Fasciolopsiasis
 100.180.90.220: Fasciolosis
 100.180.90.230: Filariasis
 100.180.90.240: Free-living amebic infection
 100.180.90.250: Giardiasis
 100.180.90.260: Gnathostomiasis
 100.180.90.270: Helminth infection
 100.180.90.280: Hookworm infection
 100.180.90.290: Hookworm
 100.180.90.300: Hymenolepiasis
 100.180.90.30: Ascariasis
 100.180.90.310: Isosporiasis
 100.180.90.320: Katayama fever
 100.180.90.330: Leishmaniasis
 100.180.90.340: Loiasis
 100.180.90.350: Lymphatic filariasis
 100.180.90.360.10: Plasmodium falciparum
 100.180.90.360.20: Plasmodium malariae
 100.180.90.360.30: Plasmodium ovale
 100.180.90.360.40: Plasmodium vivax
 100.180.90.360: Malaria
 100.180.90.370: Metagonimiasis
 100.180.90.380: Microsporidiosis
 100.180.90.390: Myiasis
 100.180.90.400: Onchocerciasis
 100.180.90.40: Babesiosis
 100.180.90.410: Opisthorchiasis
 100.180.90.420: Paragonimiasis
 100.180.90.430: Parasitic intestinal diseases
 100.180.90.440: Pediculosis
 100.180.90.450: Primary amoebic meningoencephalitis
 100.180.90.460: Protozoan infections
 100.180.90.470: Rhinosporidiosis
 100.180.90.480: Scabies
 100.180.90.490: Schistosomiasis
 100.180.90.500: Soil-transmitted helminths
 100.180.90.50: Balantidiasis
 100.180.90.510: Strongyloidiasis
 100.180.90.520: Taeniasis
 100.180.90.530: Toxocariasis
 100.180.90.540: Toxoplasmosis
 100.180.90.550: Trichinellosis
 100.180.90.560: Trichinosis
 100.180.90.570: Trichuriasis
 100.180.90.60: Baylisascaris infection
 100.180.90.70: Blastocystis hominis infection
 100.180.90.80: Chagas disease
 100.180.90.90: Clonorchiasis
 100.180.90: Parasitic diseases
 100.180: Infectious diseases
 100.190: Mental health
 100.20.100: Perioperative hemostasis
 100.20.10: Anesthesiology monitoring
 100.20.110: Regional anesthesia
 100.20.20: Anesthesiology technology
 100.20.30: Anesthetic mechanisms
 100.20.40: General anesthesia
 100.20.50: Neurosurgical care
 100.20.60: Obstetric anesthesiology
 100.20.70: Pain management
 100.20.80: Pediatric anesthesiology
 100.20.90: Perioperative critical care
 100.200: Metabolic disorders
 100.20: Anesthesiology
 100.210: Nephrology
 100.220: Neurology
 100.230: Non-clinical medicine
 100.240: Nursing science
 100.250: Nutrition
 100.260: Obstetrics and gynecology
 100.270: Oncology
 100.280: Ophthalmology
 100.290: Oral medicine
 100.30.100: Congenital heart disease
 100.30.10: Acute cardiovascular problems
 100.30.110: Coronary artery disease
 100.30.120: Electrophysiology
 100.30.130: Geriatric cardiology
 100.30.140: Heart failure
 100.30.150: Hemodynamics
 100.30.160: Hypertension
 100.30.170: Interventional cardiology
 100.30.180: Myocardial infarction
 100.30.190: Pacing
 100.30.200: Pediatric cardiology
 100.30.20: Angina
 100.30.210: Pericardial diseases
 100.30.220: Peripheral vascular diseases
 100.30.230: Pulmonary vascular diseases
 100.30.240: Stroke
 100.30.250: Valvular disease
 100.30.260: Vascular biology
 100.30.270: Venous thromboembolism
 100.30.30: Aortic diseases
 100.30.40: Arrhythmias
 100.30.50: Atherosclerosis
 100.30.60: Cardiomyopathies
 100.30.70: Cardiovascular diseases in women
 100.30.80: Cardiovascular imaging
 100.30.90: Cardiovascular pharmacology
 100.300: Otorhinolaryngology
 100.30: Cardiovascular
 100.310: Palliative care
 100.320: Pediatrics
 100.330: Physiotherapy and rehabilitation
 100.340: Primary care
 100.350: Public health
 100.360: Pulmonology
 100.370: Radiology
 100.380: Rheumatology
 100.390: Sports and exercise medicine
 100.40.10.10: Familial hypercholesterolemia
 100.40.10.20: Hereditary nonpolyposis colorectal cancer
 100.40.10.30: Huntington disease
 100.40.10.40: Marfan syndrome
 100.40.10.50: Neurofibromatosis type 1
 100.40.10.60: Polycystic kidney disease
 100.40.100: Personalized medicine
 100.40.10: Autosomal dominant
 100.40.110.10: Duchenne muscular dystrophy
 100.40.110.20: Hemophilia
 100.40.110.30: Lesch-Nyhan syndrome
 100.40.110.40: Rett syndrome
 100.40.110: X-linked
 100.40.120: Y-linked
 100.40.20.100: Roberts syndrome
 100.40.20.10: Alpha-thalassemia
 100.40.20.110: Sickle cell disease
 100.40.20.120: Spinal muscular atrophy
 100.40.20.130: Tay-Sachs disease
 100.40.20.140: Wilson disease
 100.40.20.20: Beta-thalassemia
 100.40.20.30: Cystic fibrosis
 100.40.20.40: Galactosemia
 100.40.20.50: Gaucher disease
 100.40.20.60: Glycogen storage diseases
 100.40.20.70: Mucopolysaccharidoses
 100.40.20.80: Niemann-Pick disease
 100.40.20.90: Phenylketonuria
 100.40.20: Autosomal recessive
 100.40.30.10: Aneuploidy
 100.40.30.20: Chromosomal deletions and duplications
 100.40.30.30: Down syndrome
 100.40.30.40: Translocations
 100.40.30.50: Turner syndrome
 100.40.30: Chromosomal disorders
 100.40.40: Congenital hereditary myopathies
 100.40.50.10: Angelman syndrome
 100.40.50.20: Beckwith-Wiedemann syndrome
 100.40.50.30: Prader-Willi syndrome
 100.40.50: Disorders of imprinting
 100.40.60: Gene therapy
 100.40.70: Genetic counseling
 100.40.80: Genetic testing
 100.40.90.10: Diabetes mellitus and deafness
 100.40.90.20: Encephalomyopathy
 100.40.90.30: Lactic acidosis
 100.40.90.40: Leber hereditary optic neuropathy
 100.40.90.50: Leigh syndrome
 100.40.90.60: Mitochondrial myopathy
 100.40.90.70: Myoclonic epilepsy with ragged red fibers
 100.40.90.80: Myoneurogenic gastrointestinal encephalopathy
 100.40.90: Mitochondrial diseases
 100.400: Surgery
 100.40: Clinical genetics
 100.410: Toxicology
 100.420: Urology
 100.430: Women's health
 100.50.100.10: Neuroimmunology
 100.50.100.20: Pulmonary immunology
 100.50.100.30: Reproductive immunology
 100.50.100.40: Transplantation
 100.50.100.50: Tumor immunology
 100.50.100: Immunologic subspecialties
 100.50.10: Allergy and hypersensitivity
 100.50.110.10: Immunoassays
 100.50.110.20: Immunofluorescence
 100.50.110.30: Immunohistochemical analysis
 100.50.110: Immunologic techniques
 100.50.120: Immunomodulation
 100.50.130: Immunopathology
 100.50.140: Major histocompatibility complex
 100.50.20: Antigen processing and recognition
 100.50.30.100: Mixed connective tissue disease
 100.50.30.10: Ankylosing spondylitis
 100.50.30.110: Multiple sclerosis
 100.50.30.120: Myasthenia gravis
 100.50.30.130: Pemphigus vulgaris
 100.50.30.140: Pernicious anemia
 100.50.30.150: Polymyositis
 100.50.30.160: Primary biliary cirrhosis
 100.50.30.170: Psoriasis
 100.50.30.180: Rheumatoid arthritis
 100.50.30.190: Scleroderma
 100.50.30.200: Sjogren syndrome
 100.50.30.20: Crohn disease
 100.50.30.210: Temporal arteritis
 100.50.30.220: Vasculitis
 100.50.30.230: Vitiligo
 100.50.30.240: Wegener granulomatosis
 100.50.30.30: Dermatomyositis
 100.50.30.40: Diabetes mellitus type 1
 100.50.30.50: Graves' disease
 100.50.30.60: Hashimoto disease
 100.50.30.70: Idiopathic thrombocytopenic purpura
 100.50.30.80: Kawasaki disease
 100.50.30.90: Lupus erythematosus
 100.50.30: Autoimmune diseases
 100.50.40: Genetics of the immune system
 100.50.50.10: Antibody-producing cells
 100.50.50.20: Antigen-presenting cells
 100.50.50.30: B cells
 100.50.50.40: NK cells
 100.50.50.50: Monocytes
 100.50.50.60: T cells
 100.50.50: Immune cells
 100.50.60: Immune response
 100.50.70.10: Bone marrow
 100.50.70.20: Complement system
 100.50.70.30: Cytokines
 100.50.70.40: Lymphoid organs
 100.50.70: Immune system
 100.50.80.100: Immunity to infections
 100.50.80.10: Adaptive immunity
 100.50.80.110: Immunizations
 100.50.80.120: Immunoregulation
 100.50.80.130: Immunotherapy
 100.50.80.140: Inflammation
 100.50.80.150: Innate immunity
 100.50.80.20: Aging and immunity
 100.50.80.30: Humoral immunity
 100.50.80.40: Immune activation
 100.50.80.50: Immune defense
 100.50.80.60: Immune deficiency
 100.50.80.70: Immune privilege
 100.50.80.80: Immune suppression
 100.50.80.90: Immune tolerance
 100.50.80: Immunity
 100.50.90: Immunoglobulins
 100.50: Clinical immunology
 100.60.100: Observational studies
 100.60.10: Animal models of disease
 100.60.110: Preclinical models
 100.60.120: Prospective studies
 100.60.130: Qualitative studies
 100.60.140: Reporting guidelines
 100.60.150: Retrospective studies
 100.60.160: Statistical methods
 100.60.170: Survey research
 100.60.180: Systematic reviews
 100.60.20.10: Phase I
 100.60.20.20: Phase II
 100.60.20.30: Phase III
 100.60.20.40: Phase IV
 100.60.20: Clinical trials
 100.60.30: Case-control studies
 100.60.40: Cohort studies
 100.60.50: Cross-sectional studies
 100.60.60: Epidemiology
 100.60.70: Longitudinal studies
 100.60.80: Meta-analyses
 100.60.90: Modeling
 100.60: Clinical research design
 100.70: Complementary and alternative medicine
 100.80.100: Renal critical care
 100.80.10: Acute cardiovascular problems
 100.80.110: Respiratory failure
 100.80.120: Resuscitation
 100.80.130: Sepsis
 100.80.140: Toxicology
 100.80.150: Ventilatory support
 100.80.20: Acute renal failure
 100.80.30: Critical care team organization
 100.80.40: Fluid management
 100.80.50: Gastrointestinal critical care
 100.80.60: Multiple organ failure
 100.80.70: Neurointensive care
 100.80.80: Pediatric critical care
 100.80.90: Perioperative critical care
 100.80: Critical care and emergency medicine
 100.90.100: Hair and nail diseases
 100.90.10: Atopic dermatitis
 100.90.110: Inflammatory diseases
 100.90.120: Pediatric dermatology
 100.90.130: Photodermatology and skin aging
 100.90.140: Pigmentary disorders
 100.90.150: Skin infections
 100.90.160.10: Benign skin neoplasms
 100.90.160.20.10: Basal cell carcinomas
 100.90.160.20.20: Melanomas
 100.90.160.20.30: Squamous cell carcinomas
 100.90.160.20: Malignant skin neoplasms
 100.90.160: Skin neoplasms
 100.90.170: Urticaria
 100.90.20: Acne-like disorders
 100.90.30: Bullous disorders
 100.90.40: Burn management
 100.90.50: Contact dermatitis
 100.90.60: Connective tissue diseases
 100.90.70: Dermatologic pathology
 100.90.80: Dermatologic and cosmetic surgery
 100.90.90: Drug eruptions
 100.90: Dermatology
 100: Medicine
 10: Agriculture
 110: Physics
 120: Science policy
 130: Social and behavioral sciences
 140: Veterinary science
 20.30.40.100: X-ray astronomy
 20.30.40.60: Optical astronomy
 20.30.40.70: Radar astronomy
 20.30.40.80: Radio astronomy
 20.30.40.90: Ultraviolet astronomy
 20.30.40: Observational astronomy
 20.30.50: Spherical astronomy
 20.30: Astronomy
 20.40.100: Doppler effects
 20.40.10: Astronomical spectroscopy
 20.40.110: Galaxies
 20.40.120: Gamma-ray bursts
 20.40.130: Gravitational waves
 20.40.140: Interstellar medium
 20.40.150: Mass accretion
 20.40.160: Matter-density power spectrum
 20.40.170: Microwave background
 20.40.180: Nebulae
 20.40.190: Nucleosynthesis
 20.40.200: Neutron stars
 20.40.20: Astroparticle physics
 20.40.210: Polarized electromagnetic radiation
 20.40.220: Pulsars
 20.40.230: Quark matter
 20.40.240: Redshift
 20.40.250.10: Solar flares
 20.40.250.20: Sunspots
 20.40.250: Solar physics
 20.40.260: Space plasmas
 20.40.270: Standard candles
 20.40.280: Stellar physics
 20.40.290: Supernovae
 20.40.30: Black holes
 20.40.40: Celestial mechanics
 20.40.50: Computational astrophysics
 20.40.60: Cosmic rays
 20.40.70: Cosmochemistry
 20.40.80: Dark energy
 20.40.90: Dark matter
 20.40: Astrophysics
 20.50.10: Expanding universe
 20.50.20: Flat universe
 20.50.30: Missing mass
 20.50.40: Origin of the universe
 20.50: Cosmology
 20.60.100.10: Atmospheric tides
 20.60.100.20: Earth tides
 20.60.100.30: Ocean tides
 20.60.100.40: Tidal forces
 20.60.100: Tides
 20.60.10: Asteroids
 20.60.20: Comets
 20.60.30: Dwarf planets
 20.60.40: Extrasolar planets
 20.60.50: Interplanetary magnetic field
 20.60.60: Meteors
 20.60.70: Planet formation
 20.60.80.100: Sun
 20.60.80.10: Dwarf planets
 20.60.80.110: Uranus
 20.60.80.120: Venus
 20.60.80.20: Jupiter
 20.60.80.30: Mars
 20.60.80.40: Mercury (planet)
 20.60.80.50: Natural satellites
 20.60.80.60: Neptune
 20.60.80.70: Phobos
 20.60.80.80: Pluto
 20.60.80.90: Saturn
 20.60.80: Planets
 20.60.90: Solar system
 20.60: Planetary sciences
 20.70.100: Space missions
 20.70.10: Life support (space travel)
 20.70.110: Space station
 20.70.120: Space tourism
 20.70.130.10: Intergalactic spaceflight
 20.70.130.20: Interplanetary spaceflight
 20.70.130.30: Interstellar spaceflight
 20.70.130.40: Reusable launch systems
 20.70.130.50: Spacecraft
 20.70.130.60: Spacecraft propulsion
 20.70.130.70: Weightlessness
 20.70.130: Spaceflight
 20.70.140: Spaceports
 20.70.150: Spacesuits
 20.70.160: Targets of exploration
 20.70.20: Lunar exploration
 20.70.30: Mars Exploration Program
 20.70.40: Militarization of space
 20.70.50: Physical exploration
 20.70.60: Satellites
 20.70.70: Space advocacy
 20.70.80: Space agencies
 20.70.90: Space colonization
 20.70: Space exploration
 20: Astronomical sciences
 30.10.100.10.10: Biological fluid mechanics
 30.10.100.10.20: Bone and joint mechanics
 30.10.100.10.30: Cell mechanics
 30.10.100.10.40: Flight mechanics
 30.10.100.10.50: Tissue mechanics
 30.10.100.10: Biomechanics
 30.10.100.20: Bone
 30.10.100.30: Cartilage
 30.10.100.40: Exertion
 30.10.100.50: Hand strength
 30.10.100.60.10: Muscle biochemistry
 30.10.100.60.20: Muscle components
 30.10.100.60.30: Muscle functions
 30.10.100.60.40: Muscle types
 30.10.100.60: Muscle
 30.10.100.70: Musculoskeletal anatomy
 30.10.100.80: Robotics
 30.10.100: Musculoskeletal system
 30.10.10: Comparative anatomy
 30.10.110.100: Peripheral nervous system
 30.10.110.10: Central nervous system
 30.10.110.110: Sensory physiology
 30.10.110.120: Synapses
 30.10.110.20: Ganglia
 30.10.110.30: Motor systems
 30.10.110.40: Nerve tissue
 30.10.110.50: Nervous system components
 30.10.110.60: Nervous system physiology
 30.10.110.70: Neural homeostasis
 30.10.110.80: Neural pathways
 30.10.110.90: Neuroanatomy
 30.10.110: Neurological system
 30.10.120.10: Ocular anatomy
 30.10.120: Ocular system
 30.10.130: Physiogenomics
 30.10.140.10: Aging
 30.10.140.20: Biomineralization
 30.10.140.30: Chronobiology
 30.10.140.40: Energy metabolism
 30.10.140.50: Homeostasis
 30.10.140.60: Sleep
 30.10.140: Physiological processes
 30.10.150.10: Drug excretion
 30.10.150.20: Renal anatomy
 30.10.150.30: Renal circulation
 30.10.150.40: Renal physiology
 30.10.150: Renal system
 30.10.160.10: Genital anatomy
 30.10.160.20: Reproductive physiology
 30.10.160.30: Sexual reproduction
 30.10.160: Reproductive system
 30.10.170.10: Respiratory physiology
 30.10.170: Respiratory system
 30.10.180.10: Skin anatomy
 30.10.180.20: Skin physiology
 30.10.180: Skin
 30.10.20.10: Cardiovascular anatomy
 30.10.20.20: Circulatory physiology
 30.10.20: Cardiovascular system
 30.10.30: Cell physiology
 30.10.40.10: Digestive anatomy
 30.10.40.20.10: Digestive functions
 30.10.40.20.20: Digestive regulation
 30.10.40.20.30: Drug excretion
 30.10.40.20: Digestive physiology
 30.10.40: Digestive system
 30.10.50: Electrophysiology
 30.10.60.10: Adrenal cortex
 30.10.60.20: Diabetic endocrinology
 30.10.60.30.100: Hormone synthesis
 30.10.60.30.10: Adrenarche
 30.10.60.30.110: Hormone transport
 30.10.60.30.120: Insulin
 30.10.60.30.130: Insulin-like growth factor
 30.10.60.30.140: Neuroendocrinology
 30.10.60.30.150: Oxytocin
 30.10.60.30.160: Paracrine mechanisms
 30.10.60.30.170: Parathyroid
 30.10.60.30.180: Pheromones
 30.10.60.30.190: Pituitary
 30.10.60.30.200: Prohormones
 30.10.60.30.20: Autocrine mechanism
 30.10.60.30.210: Reproductive endocrinology
 30.10.60.30.220: Thyroid
 30.10.60.30.30: Endocrine cells
 30.10.60.30.40: Endocrine glands
 30.10.60.30.50: Endocrine subsystems
 30.10.60.30.60: Endocrine-related substances
 30.10.60.30.70: Epidermal growth factor
 30.10.60.30.80: Growth factors
 30.10.60.30.90: Hormones
 30.10.60.30: Endocrine physiology
 30.10.60: Endocrine system
 30.10.70: Fluid physiology
 30.10.80.10: Bone marrow
 30.10.80.20: Immune cells
 30.10.80.30: Complement system
 30.10.80.40: Cytokines
 30.10.80.50: Lymphatic system
 30.10.80: Immune physiology
 30.10.90: Integrative physiology
 30.100.10.10: Agro-population ecology
 30.100.10.20: Agronomic ecology
 30.100.10.30: Ecological political economy
 30.100.10.40: Ecosystems agroecology
 30.100.10.50: Holon agroecology
 30.100.100: Coastal ecology
 30.100.10: Agroecology
 30.100.110.10: Community assembly
 30.100.110.20: Community structure
 30.100.110.30: Ecological remediation
 30.100.110.40: Ecological risk
 30.100.110.50: Energy flow
 30.100.110.60: Food web structure
 30.100.110.70: Niche construction
 30.100.110.80: Species interactions
 30.100.110.90: Trophic interactions
 30.100.110: Community ecology
 30.100.120: Conservation science
 30.100.130: Ecological economics
 30.100.140.10: Aquatic environments
 30.100.140.20: Freshwater environments
 30.100.140.30: Marine environments
 30.100.140.40: Terrestrial environments
 30.100.140: Ecological environments
 30.100.150.100: Population growth
 30.100.150.10: Biomass (ecology)
 30.100.150.110: Population size
 30.100.150.120: Productivity (ecology)
 30.100.150.130: Q10 temperature coefficient
 30.100.150.140: Relative abundance distribution
 30.100.150.150: Species diversity
 30.100.150.160: Species richness
 30.100.150.20: Carrying capacity
 30.100.150.30: Ecological yield
 30.100.150.40: Effective population size
 30.100.150.50: Extinction risk
 30.100.150.60: Maximum sustainable yield
 30.100.150.70: Minimum viable population
 30.100.150.80: Optimum sustainable yield
 30.100.150.90: Photosynthetic efficiency
 30.100.150: Ecological metrics
 30.100.160: Ecophysiology
 30.100.170.10: Artificial ecosystems
 30.100.170.20: Ecosystem engineering
 30.100.170.30: Ecosystem functioning
 30.100.170.40: Ecosystem modeling
 30.100.170: Ecosystems
 30.100.180: Environmental protection
 30.100.190: Evolutionary ecology
 30.100.200: Freshwater ecology
 30.100.20: Autecology
 30.100.210: Global change ecology
 30.100.220: Industrial ecology
 30.100.230: Limnetic ecology
 30.100.240: Macroecology
 30.100.250.10: Coral reefs
 30.100.250: Marine ecology
 30.100.260: Microbial ecology
 30.100.270: Paleoecology
 30.100.280: Physiological ecology
 30.100.290.10: Plant-environment interactions
 30.100.290: Plant ecology
 30.100.300: Population ecology
 30.100.30: Behavioral ecology
 30.100.310: Restoration ecology
 30.100.320: Soil ecology
 30.100.330: Spatial and landscape ecology
 30.100.340: Species extinction
 30.100.350: Systems ecology
 30.100.360: Theoretical ecology
 30.100.370: Terrestrial ecology
 30.100.380: Urban ecology
 30.100.40: Biodiversity
 30.100.50: Bioindicators
 30.100.60: Biota
 30.100.70: Biogeochemistry
 30.100.80: Biogeography
 30.100.90: Chemical ecology
 30.100: Ecology
 30.10: Anatomy and physiology
 30.110.100.10: Cladistics
 30.110.100.20: Molecular systematics
 30.110.100.30: Phyletic patterns
 30.110.100.40: Phylocode
 30.110.100.50: Phylogenetics
 30.110.100.60.10: Animal taxonomy
 30.110.100.60.20: Microbial taxonomy
 30.110.100.60.30: Plant taxonomy
 30.110.100.60: Taxonomy
 30.110.100: Evolutionary systematics
 30.110.10: Aging
 30.110.110: Evolutionary theory
 30.110.120.10: Coevolution
 30.110.120.20: Concerted evolution
 30.110.120.30: Convergent evolution
 30.110.120.40: Directed evolution
 30.110.120.50: Divergent evolution
 30.110.120.60: Microevolution
 30.110.120.70: Macroevolution
 30.110.120.80: Parallel evolution
 30.110.120.90: Phenetic evolution
 30.110.120: Forms of evolution
 30.110.130: Genomic evolution
 30.110.140.10: Animal evolution
 30.110.140.20: Eukaryotic evolution
 30.110.140.30: Human evolution
 30.110.140.40: Microbial evolution
 30.110.140.50: Plant evolution
 30.110.140: Organismal evolution
 30.110.150: Origin of life
 30.110.160.10: Biostratigraphy
 30.110.160.20: Invertebrate paleontology
 30.110.160.30: Micropaleontology
 30.110.160.40: Paleobiology
 30.110.160.50: Paleobotany
 30.110.160.60: Paleoclimatology
 30.110.160.70: Paleoecology
 30.110.160.80: Taphonomy
 30.110.160.90: Vertebrate paleontology
 30.110.160: Paleontology
 30.110.170.100: Ploidy
 30.110.170.10: Effective population size
 30.110.170.20: Gene flow
 30.110.170.30: Gene pool
 30.110.170.40: Genetic drift
 30.110.170.50: Genetic polymorphism
 30.110.170.60: Haplotypes
 30.110.170.70: Mutation
 30.110.170.80: Natural selection
 30.110.170.90: Neutral theory
 30.110.170: Population genetics
 30.110.20: Animal behavior
 30.110.30: Behavioral ecology
 30.110.40: Comparative genomics
 30.110.50: Evolutionary developmental biology
 30.110.60: Evolutionary ecology
 30.110.70: Evolutionary genetics
 30.110.80: Evolutionary immunology
 30.110.90.100: Sexual selection
 30.110.90.10: Adaptation
 30.110.90.110: Sexual conflict
 30.110.90.120: Speciation
 30.110.90.130: Species extinction
 30.110.90.20: Coevolution
 30.110.90.30: Emergence
 30.110.90.40: Evolutionary selection
 30.110.90.50: Genetic drift
 30.110.90.60: Hybridization
 30.110.90.70: Introgression
 30.110.90.80: Mutation
 30.110.90.90: Natural selection
 30.110.90: Evolutionary processes
 30.110: Evolutionary biology
 30.120.100.10: Mutagenesis
 30.120.100.20: Mutation types
 30.120.100.30: Mutational hypotheses
 30.120.100: Genetic mutation
 30.120.10: Animal genetics
 30.120.110: Genetic screens
 30.120.120: Genetics of disease
 30.120.130: Genome-wide association studies
 30.120.140.100: Linkage (genetics)
 30.120.140.10: Chromosomal inheritance
 30.120.140.110: Phenotypes
 30.120.140.120: Quantitative traits
 30.120.140.130: Trait locus
 30.120.140.20: Complex traits
 30.120.140.30: Epistasis
 30.120.140.40: Gene flow
 30.120.140.50: Genetic determinism
 30.120.140.60: Genetic suppression
 30.120.140.70: Genotypes
 30.120.140.80: Haploinsufficiency
 30.120.140.90: Heterosis
 30.120.140: Heredity
 30.120.150.10.10: Familial hypercholesterolemia
 30.120.150.10.20: Hereditary nonpolyposis colorectal
 30.120.150.10.20: Hereditary nonpolyposis colorectal cancer
 30.120.150.10.30: Huntington disease
 30.120.150.10.40: Marfan syndrome
 30.120.150.10.50: Neurofibromatosis type 1
 30.120.150.10.60: Polycystic kidney disease
 30.120.150.100: Genome-wide association studies
 30.120.150.10: Autosomal dominant
 30.120.150.110.10: Diabetes mellitus and deafness
 30.120.150.110.20: Encephalomyopathy
 30.120.150.110.30: Lactic acidosis
 30.120.150.110.40: Leber hereditary optic neuropathy
 30.120.150.110.50: Leigh syndrome
 30.120.150.110.60: Mitochondrial myopathy
 30.120.150.110.70: Myoclonic epilepsy with ragged red
 30.120.150.110.70: Myoclonic epilepsy with ragged red fibers
 30.120.150.110.80: Myoneurogenic gastrointestinal
 30.120.150.110.80: Myoneurogenic gastrointestinal encephalopathy
 30.120.150.110: Mitochondrial diseases
 30.120.150.120: Personalized medicine
 30.120.150.130.10: Duchenne muscular dystrophy
 30.120.150.130.20: Hemophilia
 30.120.150.130.30: Lesch-Nyhan syndrome
 30.120.150.130.40: Rett syndrome
 30.120.150.130: X-linked
 30.120.150.140: Y-linked
 30.120.150.20.100: Roberts syndrome
 30.120.150.20.10: Alpha-thalassemia
 30.120.150.20.110: Sickle cell disease
 30.120.150.20.120: Spinal muscular atrophy
 30.120.150.20.130: Tay-Sachs disease
 30.120.150.20.140: Wilson disease
 30.120.150.20.20: Beta-thalassemia
 30.120.150.20.30: Cystic fibrosis
 30.120.150.20.40: Galactosemia
 30.120.150.20.50: Gaucher disease
 30.120.150.20.60: Glycogen storage diseases
 30.120.150.20.70: Mucopolysaccharidoses
 30.120.150.20.80: Niemann-Pick disease
 30.120.150.20.90: Phenylketonuria
 30.120.150.20: Autosomal recessive
 30.120.150.30.10: Aneuploidy
 30.120.150.30.20: Chromosomal deletions and duplications
 30.120.150.30.30: Down syndrome
 30.120.150.30.40: Translocations
 30.120.150.30.50: Turner syndrome
 30.120.150.30: Chromosomal disorders
 30.120.150.40: Congenital hereditary myopathies
 30.120.150.50.10: Angelman syndrome
 30.120.150.50.20: Beckwith-Wiedemann syndrome
 30.120.150.50.30: Prader-Willi syndrome
 30.120.150.50: Disorders of imprinting
 30.120.150.60: Gene therapy
 30.120.150.70: Genetic association studies
 30.120.150.80: Genetic counseling
 30.120.150.90: Genetic testing
 30.120.150: Human genetics
 30.120.160.10: Gene classes
 30.120.160.20: Gene duplication
 30.120.160.30: Gene identification and analysis
 30.120.160.40: Gene regulation
 30.120.160: Molecular genetics
 30.120.170.10: Crop genetics
 30.120.170: Plant genetics
 30.120.180.100: Ploidy
 30.120.180.10: Effective population size
 30.120.180.20: Gene flow
 30.120.180.30: Gene pool
 30.120.180.40: Genetic drift
 30.120.180.50: Genetic polymorphism
 30.120.180.60: Haplotypes
 30.120.180.70: Mutation
 30.120.180.80: Natural selection
 30.120.180.90: Neutral theory
 30.120.180: Population genetics
 30.120.20: Cancer genetics
 30.120.30.10: Human cloning
 30.120.30.20: Organismal cloning
 30.120.30.30: Reproductive cloning
 30.120.30.40: Therapeutic cloning
 30.120.30: Cloning
 30.120.40.10: Cytogenetic analysis
 30.120.40.20: Cytogenetic techniques
 30.120.40.30: Cytological landmarks
 30.120.40: Cytogenetics
 30.120.50.10: DNA modification
 30.120.50.20: Genomic imprinting
 30.120.50.30: Histone modification
 30.120.50.40: Chromatin
 30.120.50.50: RNA interference
 30.120.50.60: X chromosome inactivation
 30.120.50: Epigenetics
 30.120.60.10: DNA modification
 30.120.60.20: DNA transcription
 30.120.60.30: Histone modification
 30.120.60.40: Chromatin
 30.120.60.50: Protein translation
 30.120.60.60: RNA interference
 30.120.60.70: RNA processing
 30.120.60.80: RNA stability
 30.120.60.90: RNA transport
 30.120.60: Gene expression
 30.120.70: Gene function
 30.120.80: Gene networks
 30.120.90: Gene splicing
 30.120: Genetics
 30.130.10.10: Centromeres
 30.130.10.20: Chromatin
 30.130.10.30: Chromosome structure and function
 30.130.10.40: Meiosis
 30.130.10.50: Mitosis
 30.130.10.60: Telomeres
 30.130.10.70: X chromosome inactivation
 30.130.100.10: Gene therapy
 30.130.100.20: Genetic counseling
 30.130.100.30: Genetic testing
 30.130.100.40: Pharmacogenomics
 30.130.100: Genomic medicine
 30.130.10: Chromosome biology
 30.130.110: Metagenomics
 30.130.120: Pharmacogenomics
 30.130.130: Physiogenomics
 30.130.140: Structural genomics
 30.130.20: Comparative genomics
 30.130.30: Functional genomics
 30.130.40.100: Spacer regions
 30.130.40.10: Gene ontologies
 30.130.40.110: Trait locus analysis
 30.130.40.120: Transcriptomes
 30.130.40.20: Gene prediction
 30.130.40.30: Genetic maps
 30.130.40.40: Genetic networks
 30.130.40.50: Genetic screens
 30.130.40.60: Genome scans
 30.130.40.70: Genome-wide association studies
 30.130.40.80: Linkage maps
 30.130.40.90: Sequence assembly tools
 30.130.40: Genome analysis tools
 30.130.50: Genome complexity
 30.130.60.10: Mutation databases
 30.130.60.20: Sequence databases
 30.130.60: Genome databases
 30.130.70: Genome evolution
 30.130.80: Genome expression analysis
 30.130.90: Genome sequencing
 30.130: Genomics
 30.140: Histology
 30.150.100.10: Neuroimmunology
 30.150.100.20: Pulmonary immunology
 30.150.100.30: Reproductive immunology
 30.150.100.40: Transplantation
 30.150.100.50: Tumor immunology
 30.150.100: Immunologic subspecialties
 30.150.10: Allergy and hypersensitivity
 30.150.110.10: Immunoassays
 30.150.110.20: Immunofluorescence
 30.150.110.30: Immunohistochemical analysis
 30.150.110: Immunologic techniques
 30.150.120: Immunomodulation
 30.150.130: Immunopathology
 30.150.140: Major histocompatibility complex
 30.150.20: Antigen processing and recognition
 30.150.30: Autoimmunity
 30.150.40: Genetics of the immune system
 30.150.50.10: Antibody-producing cells
 30.150.50.20: Antigen-presenting cells
 30.150.50.30: B cells
 30.150.50.40: NK cells
 30.150.50.50: Monocytes
 30.150.50.60: T cells
 30.150.50: Immune cells
 30.150.60: Immune response
 30.150.70.10: Bone marrow
 30.150.70.20: Complement system
 30.150.70.30: Cytokines
 30.150.70.40: Lymphoid organs
 30.150.70: Immune system
 30.150.80.100: Immunity to infections
 30.150.80.10: Adaptive immunity
 30.150.80.110: Immunizations
 30.150.80.120: Immunoregulation
 30.150.80.130: Immunotherapy
 30.150.80.140: Inflammation
 30.150.80.150: Innate immunity
 30.150.80.20: Aging and immunity
 30.150.80.30: Humoral immunity
 30.150.80.40: Immune activation
 30.150.80.50: Immune defense
 30.150.80.60: Immune deficiency
 30.150.80.70: Immune privilege
 30.150.80.80: Immune suppression
 30.150.80.90: Immune tolerance
 30.150.80: Immunity
 30.150.90: Immunoglobulins
 30.150: Immunology
 30.160.10: Coastal ecology
 30.160.20: Corals
 30.160.30: Fisheries science
 30.160.40: Freshwater ecology
 30.160.50: Marine conservation
 30.160.60: Marine ecology
 30.160.70: Marine monitoring
 30.160.80: Marine technology
 30.160.90: Phycology
 30.160: Marine biology
 30.170.100: Microbial control
 30.170.10: Applied microbiology
 30.170.110: Microbial ecology
 30.170.120: Microbial evolution
 30.170.130: Microbial growth and development
 30.170.140: Microbial metabolism
 30.170.150: Microbial mutation
 30.170.160: Microbial pathogens
 30.170.170: Microbial physiology
 30.170.180.10: Fungal biochemistry
 30.170.180.20: Fungal classification
 30.170.180.30: Fungal evolution
 30.170.180.40: Fungal physiology
 30.170.180.50: Fungal reproduction
 30.170.180.60: Fungal structure
 30.170.180.70: Fungi
 30.170.180.80: Spores
 30.170.180.90: Yeast
 30.170.180: Mycology
 30.170.190.10: Parasite evolution
 30.170.190.20: Parasite physiology
 30.170.190.30: Parasite groups
 30.170.190.40: Quantitative parasitology
 30.170.190: Parasitology
 30.170.20.10: Archaeal biochemistry
 30.170.20.20: Archaeal taxonomy
 30.170.20.30: Archaeal evolution
 30.170.20.40: Archaeal physiology
 30.170.200: Pathogenesis
 30.170.20: Archaeans
 30.170.210: Plant microbiology
 30.170.220.10.10: Balantidium coli
 30.170.220.10.20: Entamoeba histolytica
 30.170.220.10.30: Giardia lamblia
 30.170.220.10.40: Leishmania
 30.170.220.10.50: Plasmodium falciparum
 30.170.220.10.60: Toxoplasma gondii
 30.170.220.10.70: Trypanosoma
 30.170.220.10: Parastic protozoans
 30.170.220.20: Protozoan classification
 30.170.220: Protozoology
 30.170.230.10: Acrasiomycota
 30.170.230.20: Dictyosteliomycota
 30.170.230.30: Myxomycota
 30.170.230.40: Plasmodiophoromycota
 30.170.230: Slime molds
 30.170.240.10: Anopheles
 30.170.240.20: Lice
 30.170.240.30: Mosquitoes
 30.170.240.40: Ticks
 30.170.240.50: Triatoma
 30.170.240.60: Tsetse fly
 30.170.240.70: Viral vectors
 30.170.240: Vector biology
 30.170.250.100: Viral evolution
 30.170.250.10: Animal models of infection
 30.170.250.110: Viral immune evasion
 30.170.250.120: Viral persistence and latency
 30.170.250.130.10: Ambisense coding
 30.170.250.130.20: Immediate-early promoter
 30.170.250.130.30: Internal ribosome entry site
 30.170.250.130.40: Late expression factor
 30.170.250.130.50: Viral latency
 30.170.250.130.60: Viral nucleic acid
 30.170.250.130: Viral replication
 30.170.250.20: Antivirals
 30.170.250.30: Co-infections
 30.170.250.40: Emerging viral diseases
 30.170.250.50: Immunodeficiency viruses
 30.170.250.60: Mechanisms of resistance and susceptibility
 30.170.250.70.10: DNA viruses
 30.170.250.70.20: Other viral groupings
 30.170.250.70.30: Retroviruses
 30.170.250.70.40: RNA viruses
 30.170.250.70.50: Viral genera unassigned to a family
 30.170.250.70: Viral classification
 30.170.250.80: Viral disease diagnosis
 30.170.250.90: Viral enzymes
 30.170.250: Virology
 30.170.30.10: Escherichia coli
 30.170.30.20: Gram positive
 30.170.30.30: Gram negative
 30.170.30.40: Salmonella
 30.170.30.50: Staphylococci
 30.170.30.60: Streptococci
 30.170.30: Bacterial pathogens
 30.170.40.10: Bacterial biochemistry
 30.170.40.20: Bacterial biofilms
 30.170.40.30: Bacterial taxonomy
 30.170.40.40: Bacterial evolution
 30.170.40.50: Bacterial physiology
 30.170.40: Bacteriology
 30.170.50: Emerging infectious diseases
 30.170.60: Host-pathogen interaction
 30.170.70.100: Immunotherapy
 30.170.70.10: Adaptive immunity
 30.170.70.110: Inflammation
 30.170.70.120: Innate immunity
 30.170.70.20: Aging and immunity
 30.170.70.30: Humoral immunity
 30.170.70.40: Immune activation
 30.170.70.50: Immune defense
 30.170.70.60: Immune privilege
 30.170.70.70: Immune tolerance
 30.170.70.80: Immunizations
 30.170.70.90: Immunoregulation
 30.170.70: Immunity
 30.170.80: Industrial microbiology
 30.170.90: Medical microbiology
 30.170: Microbiology
 30.20.10: Extraterrestrial life
 30.20.20: Extremophiles
 30.20.30: Organic environments
 30.20: Astrobiology
 30.30.100.10.10: Membrane characteristics
 30.30.100.10.20: Membrane composition
 30.30.100.10.30: Membrane metabolism
 30.30.100.10.40: Membrane proteins
 30.30.100.10.50: Membrane structures
 30.30.100.10: Cell membrane
 30.30.100.20: Energy-producing processes
 30.30.100.30.10: Basement membrane
 30.30.100.30.20: Connective tissue
 30.30.100.30.30: Extracellular matrix adhesions
 30.30.100.30.40: Extracellular matrix composition
 30.30.100.30.50: Integrins
 30.30.100.30: Extracellular matrix
 30.30.100.40: Histochemistry
 30.30.100.50: Immunocytochemistry
 30.30.100.60: In situ hybridization
 30.30.100.70: Organelles
 30.30.100: Cytochemistry
 30.30.10: Biocatalysis
 30.30.110: Drug discovery
 30.30.120.10: Coenzyme
 30.30.120.20.100: Isozymes
 30.30.120.20.10: Adenylate cyclase
 30.30.120.20.110: Ketoacid lyases
 30.30.120.20.120: Ligases
 30.30.120.20.130: Luciferase
 30.30.120.20.140: Lyases
 30.30.120.20.150: Mucolytic enzymes
 30.30.120.20.160: Nuclease
 30.30.120.20.170: Oxidoreductases
 30.30.120.20.180: Pepsins
 30.30.120.20.190: Phosphorylases
 30.30.120.20.200: Saccharidases
 30.30.120.20.20: Collagenase
 30.30.120.20.210: Transferases
 30.30.120.20.30: Dehydrogenases
 30.30.120.20.40: Dextransucrase
 30.30.120.20.50: Esterases
 30.30.120.20.60: Glucanases
 30.30.120.20.70: Glycosyltransferases
 30.30.120.20.80: Hydrolases
 30.30.120.20.90: Isomerases
 30.30.120.20: Enzyme classes
 30.30.120.30: Enzyme kinetics
 30.30.120.40: Enzyme metabolism
 30.30.120.50: Enzyme precursors
 30.30.120.60: Enzyme regulation
 30.30.120.70: Enzyme structure
 30.30.120: Enzymes
 30.30.130.10: Carbohydrates
 30.30.130.20: Glycolipids
 30.30.130.30: Glycoproteins
 30.30.130.40: Polysaccharides
 30.30.130.50: Proteoglycans
 30.30.130: Glycobiology
 30.30.140: Hormones
 30.30.150: Immunochemistry
 30.30.160.100: Lipid structure
 30.30.160.10: Fats
 30.30.160.110: Neutral lipids
 30.30.160.120: Oils
 30.30.160.130: Sphingolipids
 30.30.160.140: Sterols
 30.30.160.150: Waxes
 30.30.160.20: Fatty acids
 30.30.160.30: Fatty alcohols
 30.30.160.40: Glycerides
 30.30.160.50: Isoprenoids
 30.30.160.60: Lipid aggregates
 30.30.160.70: Lipid classes
 30.30.160.80: Lipid mediators
 30.30.160.90: Lipid metabolism
 30.30.160: Lipids
 30.30.170: Macromolecular assemblies
 30.30.180.100: Protein metabolism
 30.30.180.10: Biological transport
 30.30.180.110: Tissue distribution
 30.30.180.20: Biorecognition
 30.30.180.30: Biosynthesis
 30.30.180.40: Bone and mineral metabolism
 30.30.180.50: Carbohydrate metabolism
 30.30.180.60: Lipid metabolism
 30.30.180.70: Metabolic pathways
 30.30.180.80: Nitrogen metabolism
 30.30.180.90: Oxygen metabolism
 30.30.180: Metabolism
 30.30.190.10.100: Nitric oxide
 30.30.190.10.10: Acetylcholine
 30.30.190.10.110: Oxytocin
 30.30.190.10.120: Serotonin
 30.30.190.10.20: Dopamine
 30.30.190.10.30: Eicosanoids
 30.30.190.10.40: Endocannabinoids
 30.30.190.10.50: Gamma-aminobutyric acid
 30.30.190.10.60: Glutamate
 30.30.190.10.70: Nerve growth factor
 30.30.190.10.80: Neuropeptides
 30.30.190.10.90: Neurotransmitters
 30.30.190.10: Neurochemicals
 30.30.190.20: Neuroendocrinology
 30.30.190.30: Neurogenesis
 30.30.190.40: Neuromodulation
 30.30.190.50: Synaptic plasticity
 30.30.190: Neurochemistry
 30.30.200.10.100: Forms of DNA
 30.30.200.10.10: Complementary DNA
 30.30.200.10.20: DNA amplification
 30.30.200.10.30: DNA metabolism
 30.30.200.10.40: DNA modification
 30.30.200.10.50: DNA recombination
 30.30.200.10.60: DNA repair
 30.30.200.10.70: DNA replication
 30.30.200.10.80: DNA structure
 30.30.200.10.90: DNA synthesis
 30.30.200.10: DNA
 30.30.200.20: Nucleic acid components
 30.30.200.30: Nucleotides
 30.30.200.40.10: RNA interference
 30.30.200.40.20: RNA processing
 30.30.200.40.30: RNA stability
 30.30.200.40.40: RNA structure
 30.30.200.40.50: RNA synthesis
 30.30.200.40.60: RNA transport
 30.30.200.40: RNA
 30.30.200.50: Ribozymes
 30.30.200.60: Synthetic nucleic acids
 30.30.200: Nucleic acids
 30.30.20: Biochemistry simulations
 30.30.210.10: Carbohydrate biosynthesis
 30.30.210.20: Energy production
 30.30.210.30: Photosynthesis
 30.30.210.40: Secondary metabolism
 30.30.210: Plant biochemistry
 30.30.220.100: Cytoskeletal proteins
 30.30.220.10: Acetylcholine receptors
 30.30.220.110: DNA-binding proteins
 30.30.220.120: Defense proteins
 30.30.220.130: Extracellular matrix proteins
 30.30.220.140: Globular proteins
 30.30.220.150: Globulins
 30.30.220.160: Growth factors
 30.30.220.170: Hemoproteins
 30.30.220.180: Immune system proteins
 30.30.220.190: Intracellular receptors
 30.30.220.200: Ion channels
 30.30.220.20: Acute phase proteins
 30.30.220.210.10: Apolipoprotein genes
 30.30.220.210.20: Apolipoproteins
 30.30.220.210.30: Lipoprotein metabolism
 30.30.220.210.40: Lipoprotein receptors
 30.30.220.210.50: Lipoprotein secretion
 30.30.220.210.60: Lipoprotein structure
 30.30.220.210.70: Proteolipids
 30.30.220.210: Lipoproteins
 30.30.220.220: Luminescent proteins
 30.30.220.230: Major histocompatibility antigens
 30.30.220.240: Muscarinic acetylcholine receptors
 30.30.220.250: Nicotinic acetylcholine receptors
 30.30.220.260: Nutrient and storage proteins
 30.30.220.270: Organismal proteins
 30.30.220.280: Plasma proteins
 30.30.220.290: Protein chemistry
 30.30.220.300: Protein classes
 30.30.220.30: Antiport proteins
 30.30.220.310: Protein interactions
 30.30.220.320: Protein structure
 30.30.220.330: Protein synthesis
 30.30.220.340: Proteome
 30.30.220.350: Recombinant proteins
 30.30.220.360: Regulatory proteins
 30.30.220.370: Serum amyloid p component
 30.30.220.380: Structural proteins
 30.30.220.390: Synport proteins
 30.30.220.400: T-cell receptors
 30.30.220.40: C-reactive proteins
 30.30.220.410: Tissue proteins
 30.30.220.420: Transmembrane proteins
 30.30.220.430: Transmembrane transport proteins
 30.30.220.50: Chaperone proteins
 30.30.220.60: Chromoproteins
 30.30.220.70: Coagulation factors
 30.30.220.80: Conjugated proteins
 30.30.220.90: Contractile proteins
 30.30.220: Proteins
 30.30.230: Small molecules
 30.30.30: Bioelectromagnetism
 30.30.40.10: Energy-producing organelles
 30.30.40.20: Energy-producing processes
 30.30.40: Bioenergetics
 30.30.50: Bioinorganic chemistry
 30.30.60: Biomacromolecule-ligand interactions
 30.30.70: Blood chemistry
 30.30.80: Chemical biology
 30.30.90: Cofactors
 30.30: Biochemistry
 30.40.10: Animal studies
 30.40.20: Justice in science
 30.40.30: Respecting human dignity
 30.40.40: Risk-benefit analysis
 30.40.50: Sanctity of life
 30.40.60: Scientific beneficence
 30.40.70: Scientific nonmaleficence
 30.40: Bioethics
 30.50.100.10: Radiation effects
 30.50.100.20: Radiation exposure
 30.50.100.30: Radioprotection
 30.50.100.40: Radiotherapy
 30.50.100: Radiation biophysics
 30.50.10: Biomacromolecule-ligand interactions
 30.50.20.10: Biological fluid mechanics
 30.50.20.20: Bone and joint mechanics
 30.50.20.30: Cell mechanics
 30.50.20.40: Flight mechanics
 30.50.20.50: Tissue mechanics
 30.50.20: Biomechanics
 30.50.30: Biophysics simulations
 30.50.40: Biophysics theory
 30.50.50.10: Actin filaments
 30.50.50.20: Ciliary movement
 30.50.50.30: Electromotility
 30.50.50.40: Flagellar motility
 30.50.50.50: Microtubules
 30.50.50: Cell motility
 30.50.60: Macromolecular assemblies
 30.50.70.10.100: Forms of DNA
 30.50.70.10.10: Complementary DNA
 30.50.70.10.20: DNA amplification
 30.50.70.10.30: DNA metabolism
 30.50.70.10.40: DNA modification
 30.50.70.10.50: DNA recombination
 30.50.70.10.60: DNA repair
 30.50.70.10.70: DNA replication
 30.50.70.10.80: DNA structure
 30.50.70.10.90: DNA synthesis
 30.50.70.10: DNA
 30.50.70.20: Nucleic acid components
 30.50.70.30: Nucleotides
 30.50.70.40.10: RNA interference
 30.50.70.40.20: RNA processing
 30.50.70.40.30: RNA stability
 30.50.70.40.40: RNA structure
 30.50.70.40.50: RNA synthesis
 30.50.70.40.60: RNA transport
 30.50.70.40: RNA
 30.50.70.50: Ribozymes
 30.50.70.60.10: Glycol nucleic acids
 30.50.70.60.20: Locked nucleic acids
 30.50.70.60.30: Morpholino
 30.50.70.60.40: Peptide nucleic acids
 30.50.70.60.50: Threose nucleic acids
 30.50.70.60: Synthetic nucleic acids
 30.50.70: Nucleic acids
 30.50.80: Protein chemistry
 30.50.90: Protein folding
 30.50: Biophysics
 30.60.100: Pharmacogenomics
 30.60.10: Applied microbiology
 30.60.110.10: Genetically modified organisms
 30.60.110.20: Marker-assisted selection
 30.60.110.30: Transgenic plants
 30.60.110: Plant biotechnology
 30.60.120: Small molecules
 30.60.130: Tissue engineering
 30.60.20: Biocatalysis
 30.60.30: Bioeconomy
 30.60.40.10: Biological systems engineering
 30.60.40.20: Biomedical engineering
 30.60.40.30: Biomimetics
 30.60.40.40: Bionics
 30.60.40.50: Medical devices
 30.60.40: Bioengineering
 30.60.50: Biomaterials
 30.60.60: Bionanotechnology
 30.60.70: Drug discovery
 30.60.80.10: Biodegradation
 30.60.80.20: Bioremediation
 30.60.80: Environmental biotechnology
 30.60.90.10: Genetically modified foods
 30.60.90.20: Genetically modified organisms
 30.60.90.30: Transgenics
 30.60.90: Genetic engineering
 30.60: Biotechnology
 30.70.100: Metabolic networks
 30.70.10: Bio-ontologies
 30.70.110: Microarrays
 30.70.120.10: Gene classes
 30.70.120.20: Gene duplication
 30.70.120.30: Gene identification and analysis
 30.70.120.40: Gene regulation
 30.70.120.50: Gene expression
 30.70.120: Molecular genetics
 30.70.130: Natural language processing
 30.70.140.100: Ploidy
 30.70.140.10: Effective population size
 30.70.140.20: Gene flow
 30.70.140.30: Gene pool
 30.70.140.40: Genetic drift
 30.70.140.50: Genetic polymorphism
 30.70.140.60: Haplotypes
 30.70.140.70: Mutation
 30.70.140.80: Natural selection
 30.70.140.90: Neutral theory
 30.70.140: Population genetics
 30.70.150.10: Infectious disease modeling
 30.70.150: Population modeling
 30.70.160: Regulatory networks
 30.70.170: Sequence analysis
 30.70.180: Signaling networks
 30.70.190: Synthetic biology
 30.70.200: Systems biology
 30.70.20: Biochemical simulations
 30.70.210: Text mining
 30.70.30: Biological data management
 30.70.40: Biophysic al simulations
 30.70.50.10: Circuit models
 30.70.50.20: Coding mechanisms
 30.70.50.30: Sensory systems
 30.70.50.40: Single neuron function
 30.70.50: Computational neuroscience
 30.70.60: Ecosystem modeling
 30.70.70: Evolutionary modeling
 30.70.80.100: Metagenomics
 30.70.80.10: Comparative genomics
 30.70.80.110: Pharmacogenomics
 30.70.80.120: Physiogenomics
 30.70.80.130: Structural genomics
 30.70.80.140: Structure prediction
 30.70.80.20: Epigenomics
 30.70.80.30: Functional genomics
 30.70.80.40.100: Spacer regions
 30.70.80.40.10: Gene ontologies
 30.70.80.40.110: Trait locus analysis
 30.70.80.40.120: Transcriptomes
 30.70.80.40.20: Gene prediction
 30.70.80.40.30: Genetic maps
 30.70.80.40.40: Genetic networks
 30.70.80.40.50: Genetic screens
 30.70.80.40.60: Genome scans
 30.70.80.40.70: Genome-wide association studies
 30.70.80.40.80: Linkage maps
 30.70.80.40.90: Sequence assembly tools
 30.70.80.40: Genome analysis tools
 30.70.80.50: Genome complexity
 30.70.80.60: Genome databases
 30.70.80.70: Genome evolution
 30.70.80.80: Genome expression analysis
 30.70.80.90: Genome sequencing
 30.70.80: Genomics
 30.70.90.10: DNA structure
 30.70.90.20: Lipid structure
 30.70.90.30: Macromolecular complex analysis
 30.70.90.40: Protein structure
 30.70.90.50: RNA structure
 30.70.90: Macromolecular structure analysis
 30.70: Computational biology
 30.80: Cryobiology
 30.90.100.10: Aging
 30.90.100.20: Metamorphosis
 30.90.100.30: Organogenesis
 30.90.100.40: Pattern formation
 30.90.100.50: Regeneration
 30.90.100.60: Teratology
 30.90.100: Organism development
 30.90.10: Cell differentiation
 30.90.110: Pattern formation
 30.90.120: Plant growth and development
 30.90.130.10: Adult stem cells
 30.90.130.20: Cell potency
 30.90.130.30: Embryonic stem cells
 30.90.130.40: Hematopoietic stem cells
 30.90.130.50: Induced pluripotent stem cells
 30.90.130.60: Mesenchymal stem cells
 30.90.130.70: Neural stem cells
 30.90.130.80: Stem cell niche
 30.90.130.90: Stem cell lines
 30.90.130: Stem cells
 30.90.20: Cell fate determination
 30.90.30: Embryology
 30.90.40: Evolutionary developmental biology
 30.90.50.10: Activation program
 30.90.50.20: Sperm chemotaxis
 30.90.50.30: Sperm-egg interactions
 30.90.50.40: Sperm hyperactivation
 30.90.50.50: Syngamy
 30.90.50: Fertilization
 30.90.60: Genomic imprinting
 30.90.70: Microbial growth and development
 30.90.80.10: Adhesion molecules
 30.90.80.20: Cytokines
 30.90.80.30: Morphogens
 30.90.80.40: Signaling
 30.90.80: Molecular development
 30.90.90.100: Sex determination
 30.90.90.10: Birth defects
 30.90.90.110: Sexual differentiation
 30.90.90.120: Skeletal development
 30.90.90.20: Body plan organization
 30.90.90.30: Cell migration
 30.90.90.40: Genital disc
 30.90.90.50: Growth control
 30.90.90.60: Heart development
 30.90.90.70: Limb development
 30.90.90.80: Regeneration
 30.90.90.90: Segmentation
 30.90.90: Morphogenesis
 30.90: Developmental biology
 30: Biology
 40.10.10.100: Volumetric analysis
 40.10.10.10: Colorimetric analysis
 40.10.10.110: Water analysis
 40.10.10.20: Gas analysis
 40.10.10.30: Gravimetric analysis
 40.10.10.40: Microanalysis
 40.10.10.50: Polarographic analysis
 40.10.10.60: Qualitative analysis
 40.10.10.70: Quantitative analysis
 40.10.10.80: Radioactivation analysis
 40.10.10.90: Titrations
 40.10.10: Chemical analysis
 40.100: Cosmochemistry
 40.10: Analytical chemistry
 40.110.10: Corrosion
 40.110.20.100: Lasagna cells
 40.110.20.10: Anodes
 40.110.20.110: Primary cells
 40.110.20.120: Salt bridges
 40.110.20.130: Secondary cells
 40.110.20.20: Cathodes
 40.110.20.30: Concentration cells
 40.110.20.40: Electrode potentials
 40.110.20.50: Electrodes
 40.110.20.60: Electrolytes
 40.110.20.70: Electrolytic cells
 40.110.20.80: Galvanic cells
 40.110.20.90: Half-cells
 40.110.20: Electrochemical cells
 40.110.30: Electrolysis
 40.110.40: Electroplating
 40.110.50: Nernst equation
 40.110.60: Oxidation-reduction reactions
 40.110.70: Pourbaix diagrams
 40.110: Electrochemistry
 40.120.10.10: Acid deposition
 40.120.10.20: Air quality
 40.120.10.30: Ionospheric chemistry
 40.120.10.40: Ozone
 40.120.10: Atmospheric chemistry
 40.120.20: Marine chemistry
 40.120.30.10: Heavy metals
 40.120.30.20: Motor oil
 40.120.30.30: Organometallic compounds
 40.120.30.40: Urban runoff
 40.120.30: Pollutants
 40.120.40.10: Anion exchange capacity
 40.120.40.20: Cation exchange capacity
 40.120.40: Soil chemistry
 40.120.50.10: Acid neutralizing capacity
 40.120.50.20: Water analysis
 40.120.50: Water chemistry
 40.120: Environmental chemistry
 40.130.10: Biogeochemistry
 40.130.20: Carbon cycle
 40.130.30: Carbon sink
 40.130.40: Geochronology
 40.130: Geochemistry
 40.140.100: VSEPR theory
 40.140.10: Bioinorganic chemistry
 40.140.20: Crystal field theory
 40.140.30.10: Bioinorganic compounds
 40.140.30.20: Cluster compounds
 40.140.30.30: Coordination compounds
 40.140.30.40: Main group compounds
 40.140.30.50: Solid state compounds
 40.140.30.60: Transition metal compounds
 40.140.30: Inorganic compounds
 40.140.40.10: Calcification
 40.140.40.20: Double displacement
 40.140.40: Inorganic reactions
 40.140.50: Ionic bonding
 40.140.60: Molecular symmetry group theory
 40.140.70: Organometallic chemistry
 40.140.80: Oxidation states
 40.140.90: Salts
 40.140: Inorganic chemistry
 40.150: Medicinal chemistry
 40.160.100.10: Metallography
 40.160.100.20: Tractable
 40.160.100: Physical metallurgy
 40.160.10: Castings
 40.160.110: Powder metallurgy
 40.160.120: Pyrometallurgy
 40.160.20: Deoxidation
 40.160.30: Electroplating
 40.160.40: Eutectics
 40.160.50: Fiber metallurgy
 40.160.60: Grain structures
 40.160.70: Hydrometallurgy
 40.160.80.100: Indium alloys
 40.160.80.10: Bismuth alloys
 40.160.80.110: Lead alloys
 40.160.80.120: Magnesium alloys
 40.160.80.130: Mercury alloys
 40.160.80.140: Nickel alloys
 40.160.80.150: Plutonium alloys
 40.160.80.160: Potassium alloys
 40.160.80.170: Rare earth alloys
 40.160.80.180: Silver alloys
 40.160.80.190: Soft magnetic alloys
 40.160.80.200: Stainless steel
 40.160.80.20: Cobalt alloys
 40.160.80.210: Steel
 40.160.80.220: Tin alloys
 40.160.80.230: Titanium alloys
 40.160.80.240: Uranium alloys
 40.160.80.250: Zinc alloys
 40.160.80.30: Complex metallic alloys
 40.160.80.40: Copper alloys
 40.160.80.50: Ferroalloys
 40.160.80.60: Iron alloys
 40.160.80.70: Aluminum alloys
 40.160.80.80: Gallium alloys
 40.160.80.90: Gold alloys
 40.160.80: Metal alloys
 40.160.90: Metal segregation
 40.160: Metallurgy
 40.170.10: Nuclides
 40.170.20: Radiation chemistry
 40.170: Nuclear chemistry
 40.180.10.100: Hydroxamic acids
 40.180.10.10: Aliphatic acids
 40.180.10.110: Kojic acid
 40.180.10.120: Phosphinic acids
 40.180.10.130: Phosphonic acids
 40.180.10.140: Picramic acid
 40.180.10.150: Picric acid
 40.180.10.160: Pyruvic acid
 40.180.10.170: Retinoic acids
 40.180.10.180: Styphnic acids
 40.180.10.190: Sugar acids
 40.180.10.200: Sulfamic acids
 40.180.10.20: Amino acids
 40.180.10.210: Sulfinic acids
 40.180.10.220: Sulfonic acids
 40.180.10.30: Barbituric acids
 40.180.10.40: Butyric acids
 40.180.10.50: Carboxylic acids
 40.180.10.60: Dibasic organic acids
 40.180.10.70: Glycolic acid
 40.180.10.80: Gymnemic acid
 40.180.10.90: Hippuric acid
 40.180.10: Organic acids
 40.180.20.100: Alkynes
 40.180.20.10: Acid anhydrides
 40.180.20.110: Amides
 40.180.20.120: Amines
 40.180.20.130: Arenes
 40.180.20.140: Aromatic hydrocarbons
 40.180.20.150: Butanol
 40.180.20.160: Chromophores
 40.180.20.170: Cycloalkanes
 40.180.20.180: Diazo compounds
 40.180.20.190: Epoxides
 40.180.20.200: Esters
 40.180.20.20: Acyl halides
 40.180.20.210: Ethanol
 40.180.20.220: Ethers
 40.180.20.230: Functional groups
 40.180.20.240: Hydrocarbons
 40.180.20.250: Imines
 40.180.20.260: Ketones
 40.180.20.270: Methanol
 40.180.20.280: Nitriles
 40.180.20.290: Nitroalkanes
 40.180.20.300: Nitrogen heterocyclic compounds
 40.180.20.30: Alcohols
 40.180.20.310: Nitroso compounds
 40.180.20.320: Organic nitrogen compounds
 40.180.20.330: Organic sulfur compounds
 40.180.20.340: Organometallic compounds
 40.180.20.350: Organophosphates
 40.180.20.360: Oximes
 40.180.20.370: Phosphorothioates
 40.180.20.380: Propanol
 40.180.20.390: Small molecules
 40.180.20.400: Terpenes
 40.180.20.40: Aldehydes
 40.180.20.410: Thiols
 40.180.20.420: Thymidines
 40.180.20.50: Alkadienes
 40.180.20.60: Alkaloids
 40.180.20.70: Alkanes
 40.180.20.80: Alkenes
 40.180.20.90: Alkyl halides
 40.180.20: Organic compounds
 40.180.30.100: Vegetable oils
 40.180.30.10: Coal
 40.180.30.110: Waxes
 40.180.30.20: Cork
 40.180.30.30: Creosote
 40.180.30.40: Feathers
 40.180.30.50: Fur
 40.180.30.60: Leather
 40.180.30.70: Petroleum products
 40.180.30.80: Pitch
 40.180.30.90: Straw
 40.180.30: Organic materials
 40.180.40: Organic radicals
 40.180.50.10: Acylation
 40.180.50.20: Curing
 40.180.50.30: Dehydrogenation
 40.180.50.40: Diels-Alder reaction
 40.180.50.50: Friedel-Crafts reactions
 40.180.50.60: Hydrogenation
 40.180.50.70: Metalation
 40.180.50.80: Polymerization
 40.180.50.90: Transesterification
 40.180.50: Organic reactions
 40.180.60: Organic synthesis
 40.180.70: Organometallic chemistry
 40.180.80: Physical organic chemistry
 40.180: Organic chemistry
 40.190: Petrochemistry
 40.20.10.100: Heat of reaction
 40.20.10.10: Amphiphilicity
 40.20.10.110: Intermolecular forces
 40.20.10.120: Latent heat
 40.20.10.130: Lipophilia
 40.20.10.140: Nuclear magnetic resonance
 40.20.10.150: Permeability
 40.20.10.160: pH factor
 40.20.10.170: Photochromism
 40.20.10.180: Physicochemical properties
 40.20.10.190: Salinity
 40.20.10.200: Specific gravity
 40.20.10.20: Anisotropy
 40.20.10.210: Surface properties
 40.20.10.220: Viscosity
 40.20.10.30: Calorific value
 40.20.10.40: Dimerization
 40.20.10.50: Electron affinity
 40.20.10.60: Heat of activation
 40.20.10.70: Heat of combustion
 40.20.10.80: Heat of formation
 40.20.10.90: Heat of fusion
 40.20.10: Chemical properties
 40.20.20.100: Sulfonyl radicals
 40.20.20.10: Butyl radicals
 40.20.20.110: Uranyl radicals
 40.20.20.120: Zirconyl radicals
 40.20.20.20: Carboxyl radicals
 40.20.20.30: Chromyl radicals
 40.20.20.40: Hexyl radicals
 40.20.20.50: Hydroxyl radicals
 40.20.20.60: Nitro radicals
 40.20.20.70: Octyl radicals
 40.20.20.80: Organic radicals
 40.20.20.90: Perchloryl radicals
 40.20.20: Chemical radicals
 40.200.10.10: Covalent bonding
 40.200.10.20: Cross-linking
 40.200.10.30: Dipole-dipole interactions
 40.200.10.40: Hydrogen bonding
 40.200.10.50: Ionic bonding
 40.200.10.60: London dispersion forces
 40.200.100: Ion exchange
 40.200.10: Chemical bonding
 40.200.110: Liquid-state dynamics
 40.200.120.10: Aerosols
 40.200.120.20: Colloids
 40.200.120.30: Heterogeneous mixtures
 40.200.120.40: Homogeneous mixtures
 40.200.120.50: Solutions
 40.200.120.60: Suspensions
 40.200.120: Mixtures
 40.200.130.10: Grotthuss-Draper law
 40.200.130.20: Photographic sensitizers
 40.200.130.30: Solar photochemistry
 40.200.130.40: Stark-Einstein law
 40.200.130: Photochemistry
 40.200.140: Physical organic chemistry
 40.200.150: Proton-motive force
 40.200.160: Quasi-bound states
 40.200.170.10: Femtochemistry
 40.200.170.20: Gibbs free energy
 40.200.170.30: Reaction kinetics
 40.200.170.40: Reaction quotient
 40.200.170.50: Reactivity series
 40.200.170.60: Transition state
 40.200.170: Reaction dynamics
 40.200.180: Sorption
 40.200.190: Surface chemistry
 40.200.200.10: Enthalpy
 40.200.200.20: Entropy
 40.200.200.30: Gibbs free energy
 40.200.200.40: Volatilization
 40.200.200: Thermodynamics
 40.200.20: Chemical dynamics
 40.200.30: Chemical equilibrium
 40.200.40.100: Heat of reaction
 40.200.40.10: Amphiphilicity
 40.200.40.110: Intermolecular forces
 40.200.40.120: Latent heat
 40.200.40.130: Lipophilia
 40.200.40.140: Nuclear magnetic resonance
 40.200.40.150: Permeability
 40.200.40.160: pH factor
 40.200.40.170: Photochromism
 40.200.40.180: Physicochemical properties
 40.200.40.190: Salinity
 40.200.40.200: Specific gravity
 40.200.40.20: Anisotropy
 40.200.40.210: Surface properties
 40.200.40.220: Viscosity
 40.200.40.30: Calorific value
 40.200.40.40: Dimerization
 40.200.40.50: Electron affinity
 40.200.40.60: Heat of activation
 40.200.40.70: Heat of combustion
 40.200.40.80: Heat of formation
 40.200.40.90: Heat of fusion
 40.200.40: Chemical properties
 40.200.50.100: Sulfonyl radicals
 40.200.50.10: Butyl radicals
 40.200.50.110: Uranyl radicals
 40.200.50.20: Carboxyl radicals
 40.200.50.220: Zirconyl radicals
 40.200.50.30: Chromyl radicals
 40.200.50.40: Hexyl radicals
 40.200.50.50: Hydroxyl radicals
 40.200.50.60: Nitro radicals
 40.200.50.70: Octyl radicals
 40.200.50.80: Organic radicals
 40.200.50.90: Perchloryl radicals
 40.200.50: Chemical radicals
 40.200.60: Deposition
 40.200.70: Energy transfer
 40.200.80: Gaussian fluctuations
 40.200.90: Hydrogen-ion concentration
 40.200: Physical chemistry
 40.20: Applied chemistry
 40.210.10: Phytochemicals
 40.210.20: Phytopharmacology
 40.210: Phytochemistry
 40.220.10: Monomers
 40.220.20: Polymerization
 40.220: Polymer chemistry
 40.230: Quantum chemistry
 40.240.10: Hot atom chemistry
 40.240.20: Isotopes
 40.240.30: Nuclear decay
 40.240.40: Radioactivity
 40.240: Radiochemistry
 40.250: Reprographic processes
 40.260.100: Kinetic resolution
 40.260.10: Anomeric effect
 40.260.110: Molecular conformation
 40.260.120: Mutarotation
 40.260.130: Pseudorotation
 40.260.140: Ring inversion
 40.260.150: Rotations
 40.260.160: Stereoconvergence
 40.260.170: Stereomutation
 40.260.180: Stereoselectivity
 40.260.190: Stereospecificity
 40.260.200: Strains
 40.260.20: Asymmetry
 40.260.210: Topomerization
 40.260.30: Bond angles
 40.260.40: Constitutional isomers
 40.260.50: Desymmetrization
 40.260.60: Fischer projection
 40.260.70: Gauche effect
 40.260.80: Isomerism
 40.260.90: Isomerization
 40.260: Stereochemistry
 40.270.10: Coinage metal-catalyzed reactions
 40.270.20: Heterocycle structures
 40.270.30: Heterocycle synthesis
 40.270.40: Organic synthesis
 40.270: Synthetic chemistry
 40.280: Theoretical chemistry
 40.30.10: Acid deposition
 40.30.20: Air quality
 40.30.30: Ionospheric chemistry
 40.30.40: Ozone
 40.30: Atmospheric chemistry
 40.40.10: Chemical production
 40.40.20: Industrial chemicals
 40.40: Chemical engineering
 40.50: Chemical biology
 40.60: Chemical physics
 40.70.100: Double displacement
 40.70.10: Addition reactions
 40.70.110: Elimination reactions
 40.70.120: Endothermic reactions
 40.70.130: Exchange reactions
 40.70.140: Exothermic reactions
 40.70.150: Friedel crafts reactions
 40.70.160: Glycerolization
 40.70.170: Halogenation
 40.70.180: Hydrogenation
 40.70.190: Hydrolysis
 40.70.200.10: Anions
 40.70.200.20: Cations
 40.70.200.30: Isomerization
 40.70.200: Ionization
 40.70.20: Belousov-Zhabotinsky reaction
 40.70.210: Maillard reaction
 40.70.220: Metalation
 40.70.230: Neutralization
 40.70.240: Nitration
 40.70.250: Nitrification
 40.70.260: Nitrofluorination
 40.70.270.10: Acylation
 40.70.270.20: Curing
 40.70.270.30: Dehydrogenation
 40.70.270.40: Diels-Alder reaction
 40.70.270.50: Friedel-Crafts reactions
 40.70.270.60: Hydrogenation
 40.70.270.70: Metalation
 40.70.270.80: Polymerization
 40.70.270.90: Transesterification
 40.70.270: Organic reactions
 40.70.280: Oxidation-reduction reactions
 40.70.290: Photochemical reactions
 40.70.300: Polymerization
 40.70.30: Calcification
 40.70.310: Precipitation (chemistry)
 40.70.320: Recombination reactions
 40.70.330: Schoenemann reactions
 40.70.340: Separation
 40.70.350: Side reactions
 40.70.360: Solvation
 40.70.370.10: Alcoholysis
 40.70.370.20: Ammonolysis
 40.70.370.30: Hydrolysis
 40.70.370: Solvolysis
 40.70.380: Substitution reactions
 40.70.390: Sulfation
 40.70.40.10: Biocatalysis
 40.70.40.20: Desulfurization
 40.70.40.30: Electrocatalysts
 40.70.40.40: Heterogeneous catalysts
 40.70.40.50: Homogeneous catalysts
 40.70.40.60: Organocatalysis
 40.70.400: Sulfuration
 40.70.40: Catalysis
 40.70.410: Surface reactions
 40.70.420: Synthesis
 40.70.50: Chelation
 40.70.60.100: Pechmann condensation
 40.70.60.10: Acyloin condensation
 40.70.60.110: Rap-Stoermer condensation
 40.70.60.120: Symmetrical aldol condensation
 40.70.60.130: Ziegler condensation
 40.70.60.20: Aldol condensation
 40.70.60.30: Claisen condensation
 40.70.60.40: Claisen-Schmidt condensation
 40.70.60.50: Darzens condensation
 40.70.60.60: Dieckmann condensation
 40.70.60.70: Guareschi-Thorpe condensation
 40.70.60.80: Knoevenagel condensation
 40.70.60.90: Michael condensation
 40.70.60: Condensation reactions
 40.70.70: Curing
 40.70.80: Dehydrogenation
 40.70.90: Dissociation
 40.70: Chemical reactions
 40.80.100: Simulated moving-bed chromatography
 40.80.10: Affinity chromatography
 40.80.110: Size exclusion chromatography
 40.80.120: Supercritical fluid chromatography
 40.80.130: Thin layer chromatography
 40.80.140: Two-dimensional chromatography
 40.80.20: Chiral chromatography
 40.80.30: Column chromatography
 40.80.40: Gas chromatography
 40.80.50: Ion exchange chromatography
 40.80.60: Liquid chromatography
 40.80.70: Paper chromatography
 40.80.80: Planar chromatography
 40.80.90: Reversed-phase chromatography
 40.80: Chromatography
 40.90.10: Ab initio methods
 40.90.20: Density functional theory
 40.90.30: Empirical methods
 40.90.40: Molecular dynamics
 40.90.50: Molecular mechanics
 40.90.60: Semi-empirical methods
 40.90: Computational chemistry
 40: Chemistry
 50.100: Cryptography
 50.10: Algorithms
 50.110.10: Environmental systems modeling
 50.110.20: Geocomputation
 50.110.30: Geostatistics
 50.110.40: Modifiable areal unit
 50.110.50: Remote sensing imagery
 50.110.60: Spatial autocorrelation
 50.110: Geoinformatics
 50.120.10: Databases
 50.120: Information technology
 50.130: Natural language processing
 50.140: Numerical analysis
 50.150: Ontology and logics
 50.160.10: Assembly languages
 50.160.20: High level languages
 50.160.30: Simulation languages
 50.160: Programming languages
 50.170.10: Computer benchmarking
 50.170.20: Constructive research
 50.170.30: Fault tolerance
 50.170.40: Software design
 50.170.50: Software tools
 50.170: Software engineering
 50.180: Synthetic vision systems
 50.190: Text mining
 50.20.10: Computer-aided design
 50.20.20: Computer-aided manufacturing
 50.20.30: Computer-assisted instruction
 50.20.40: Web-based applications
 50.20: Computer applications
 50.30.10: Computer hardware
 50.30.20: Linking design
 50.30: Computer architecture
 50.40: Computer modeling
 50.50: Computer security
 50.60: Computerized simulations
 50.70.10: Cloud computing
 50.70.20: Computer animation
 50.70.30: Computer graphics
 50.70.40: Computer inferencing
 50.70.50: Fuzzy logic
 50.70.60: Mathematical computing
 50.70: Computing methods
 50.80.10: Analog computing
 50.80.20: Digital computing
 50.80.30: Hybrid computing
 50.80.40: Molecular computing
 50.80.50: Optical computing
 50.80.60: Quantum computing
 50.80.70: Spintronics
 50.80: Computing systems
 50.90.10: Control systems
 50.90.20: Fault tolerance
 50.90: Control engineering
 50: Computer science
 60.10.10.10: Acid deposition
 60.10.10.20: Air quality
 60.10.10.30: Ionospheric chemistry
 60.10.10.40: Ozone
 60.10.10: Atmospheric chemistry
 60.10.20.10: Atmospheric circulation
 60.10.20.20: Atmospheric clouds
 60.10.20.30: Atmospheric dispersion modeling
 60.10.20.40: Atmospheric storms
 60.10.20: Atmospheric dynamics
 60.10.30.10: Atmospheric corona
 60.10.30.20: Atmospheric glow
 60.10.30.30: Aurora
 60.10.30.40: Brocken bow
 60.10.30.50: Cellini's halo
 60.10.30.60: Lightening
 60.10.30.70: Parhelion
 60.10.30.80: Transient luminous events
 60.10.30: Atmospheric phenomena
 60.10.40: Atmospheric physics
 60.10.50.10: Exosphere
 60.10.50.20: Heterosphere
 60.10.50.30: Homosphere
 60.10.50.40: Ionosphere
 60.10.50.50: Mesosphere
 60.10.50.60: Stratosphere
 60.10.50.70: Thermosphere
 60.10.50.80: Troposphere
 60.10.50: Atmospheric structures
 60.10.60.10: Albedo
 60.10.60.20: Climate change
 60.10.60.30: Climate modeling
 60.10.60.40: Climate record
 60.10.60.50: Insolation
 60.10.60.60: Paleoclimatology
 60.10.60: Climatology
 60.10.70: Meteorology
 60.100.10: Glaciers
 60.100.20: Ice cap
 60.100.30: Ice core
 60.100.40: Ice sheet
 60.100.50: Ice shelf
 60.100.60: Meltwater
 60.100.70: Polynyas
 60.100.80: Sea ice
 60.100: Glaciology
 60.10: Atmospheric science
 60.110.10: Limnetic ecology
 60.110.20: Limnetic ecosystem
 60.110.30: Limnogeology
 60.110.40: Paleolimnology
 60.110.50: Physical limnology
 60.110: Limnology
 60.120.100.100: Tethys
 60.120.100.10: Antarctic Ocean
 60.120.100.20: Arctic Ocean
 60.120.100.30: Atlantic Ocean
 60.120.100.40: Equatorial Ocean
 60.120.100.50: Gulf of Alaska
 60.120.100.60: Gulf of Mexico
 60.120.100.70: Indian Ocean
 60.120.100.80: Mediterranean Sea
 60.120.100.90: Pacific Ocean
 60.120.100: Oceans
 60.120.10: Coastal ecology
 60.120.110.10: Biochemical oxygen demand
 60.120.110.20: Chemical oxygen demand
 60.120.110.30: Dissolved oxygen
 60.120.110.40: Heavy metals
 60.120.110.50: pH factor
 60.120.110.60: Total dissolved solids
 60.120.110: Water quality
 60.120.20: Freshwater ecology
 60.120.30: Hydrology
 60.120.40: Marine biology
 60.120.50: Marine ecology
 60.120.60.10: Cold seeps
 60.120.60.20: Hydrothermal vents
 60.120.60.30: Ocean basins
 60.120.60.40: Ocean floor
 60.120.60.50: Ocean ridges
 60.120.60.60: Ocean troughs
 60.120.60.70: Sediment
 60.120.60.80: Spreading centers
 60.120.60: Marine geology
 60.120.70: Marine monitoring
 60.120.80: Marine technology
 60.120.90.100: Physical oceanography
 60.120.90.10: Biological oceanography
 60.120.90.110: Sea level change
 60.120.90.120: Seafloor spreading
 60.120.90.130: Water column
 60.120.90.20: Chemical oceanography
 60.120.90.30: El Nino Southern Oscillation
 60.120.90.40: Geological oceanography
 60.120.90.50: La Nina
 60.120.90.60: Ocean circulation
 60.120.90.70: Ocean properties
 60.120.90.80: Ocean temperature
 60.120.90.90: Paleooceanography
 60.120.90: Oceanography
 60.120: Marine and aquatic sciences
 60.130.10: Clay mineralogy
 60.130.20: Coesite
 60.130.30: Mineral deposits
 60.130.40: Minerals
 60.130: Mineralogy
 60.140.100: Vertebrate paleontology
 60.140.10: Biogeography
 60.140.20: Biostratigraphy
 60.140.30: Invertebrate paleontology
 60.140.40: Micropaleontology
 60.140.50: Paleobiology
 60.140.60: Paleobotany
 60.140.70: Paleoclimatology
 60.140.80: Paleoecology
 60.140.90: Taphonomy
 60.140: Paleontology
 60.150.10: Atmosphere
 60.150.20: Biosphere
 60.150.30: Geographical hydrology
 60.150.40: Hydrosphere
 60.150: Physical geography
 60.20.10: Earth core
 60.20.20: Earth crust
 60.20.30: Earth mantle
 60.20.40: Lithosphere
 60.20.50: Mohorovicic discontinuity
 60.20.60: Oceanic crust
 60.20.70: Regolith
 60.20: Earth
 60.30.10.10: Hydroelectric power
 60.30.10.20: Photovoltaic power
 60.30.10.30: Wind power
 60.30.10: Alternative energy
 60.30.20: Bioenergy
 60.30.30.10: Bioalcohols
 60.30.30.20: Biodiesel
 60.30.30.30: Bioethers
 60.30.30.40: Biogas
 60.30.30.50: Green diesel
 60.30.30.60: Solid biofuels
 60.30.30.70: Syngas
 60.30.30.80: Vegetable oils
 60.30.30: Biofuels
 60.30.40.10: Crude oil
 60.30.40.20: Diesel fuel
 60.30.40.30: Gasoline
 60.30.40.40: Natural gas
 60.30.40: Fossil fuels
 60.30.50: Fuels
 60.30.60.10: Electric power distribution
 60.30.60.20: Electric power transmission
 60.30.60: Power distribution
 60.30: Energy and power
 60.40.10.10: Hazardous wastes
 60.40.10.20: Nuclear waste
 60.40.10.30: Oil spills
 60.40.10.40: Pollution
 60.40.10.50: Solid waste management
 60.40.10.60: Water management
 60.40.10: Environmental engineering
 60.40.20: Environmental economics
 60.40.30: Environmental geography
 60.40.40: Environmental geology
 60.40: Environmental sciences
 60.50.10: Biogeochemistry
 60.50.20: Carbon cycle
 60.50.30: Carbon sink
 60.50.40: Geochronology
 60.50: Geochemistry
 60.60.10: Biogeography
 60.60.20.10: Elevations
 60.60.20.20: GIS
 60.60.20.30: Isotherms
 60.60.20.40: Latitude
 60.60.20.50: Longitude
 60.60.20.60: Remote sensing imagery
 60.60.20: Cartography
 60.60.30.10: Behavioral matrix
 60.60.30.20: Economic man
 60.60.30.30: Isodapanes
 60.60.30.40: Satisficer
 60.60.30.50: Spatial economic analysis
 60.60.30: Economic geography
 60.60.40.10: Environmental systems modeling
 60.60.40.20: Geocomputation
 60.60.40.30: Geostatistics
 60.60.40.40: Modifiable areal unit
 60.60.40.50: Remote sensing imagery
 60.60.40.60: Spatial autocorrelation
 60.60.40: Geoinformatics
 60.60.50.10: Erosion
 60.60.50.20: Landform dynamics
 60.60.50.30: Landform history
 60.60.50.40: Surface earth movement
 60.60.50: Geomorphology
 60.60.60: Geosystems
 60.60.70.100: Social geography
 60.60.70.10: Behavioral geography
 60.60.70.110: Spatial analysis
 60.60.70.20: Central-place theory
 60.60.70.30: Cultural geography
 60.60.70.40: Distance-decay models
 60.60.70.50: Historical geography
 60.60.70.60: Least-cost location
 60.60.70.70: Nature and society interactions
 60.60.70.80: Regional geography
 60.60.70.90: Settlement patterns
 60.60.70: Human geography
 60.60.80.10: Atmosphere
 60.60.80.20: Biosphere
 60.60.80.30: Geographical hydrology
 60.60.80.40: Hydrosphere
 60.60.80: Physical geography
 60.60.90: Political geography
 60.60: Geography
 60.70.10.10: Cenozoic
 60.70.10.20: Phanerozoic
 60.70.10.30: Precambrian
 60.70.100: Structural geology
 60.70.10: Geologic time
 60.70.110: Volcanology
 60.70.20: Historical geology
 60.70.30: Igneous geology
 60.70.40: Metamorphic geology
 60.70.50.10: Anatexis
 60.70.50.20: Facies metamorphism
 60.70.50.30: Metasomatism
 60.70.50.40: Petrogenesis
 60.70.50.50: Rock units
 60.70.50: Petrology
 60.70.60: Planetary geology
 60.70.70: Plate tectonics
 60.70.80: Sedimentary geology
 60.70.90.10: Biostratigraphy
 60.70.90.20: Lithostratigraphy
 60.70.90: Stratigraphy
 60.70: Geology
 60.80.10: Erosion
 60.80.20: Landform dynamics
 60.80.30: Landform history
 60.80.40: Surface earth movement
 60.80: Geomorphology
 60.90.10: Earthshine
 60.90.20: Geodesy
 60.90.30: Geoelectricity
 60.90.40: Geomagnetism
 60.90.50: Seismology
 60.90: Geophysics
 60: Earth sciences
 70.10.100.10: Internal combustion engines
 70.10.100.20: Jet engines
 70.10.100.30: Rockets
 70.10.100.40: Spacecraft propulsion
 70.10.100.50: Turbomachinery
 70.10.100: Propulsion
 70.10.10: Aeroelasticity
 70.10.20: Aeronautical engineering
 70.10.30: Astrodynamics
 70.10.40.10: Aerospace systems
 70.10.40.20: Atmospheric reentry
 70.10.40: Astronautics
 70.10.50: Aviation
 70.10.60: Avionics
 70.10.70: Flight testing
 70.10.80: Fluid mechanics
 70.10.90: Noise control
 70.100.10: Hazardous wastes
 70.100.20: Nuclear waste
 70.100.30: Oil spills
 70.100.40: Pollution
 70.100.50: Solid waste management
 70.100.60: Water management
 70.100: Environmental engineering
 70.10: Aerospace engineering
 70.110.10: Fire research
 70.110.20: Fire safety
 70.110.30: Fire suppression technology
 70.110.40: Smoke
 70.110: Fire engineering
 70.120: Forensic engineering
 70.130: Geological engineering
 70.140.10: Ergonomics
 70.140.20: Habitability
 70.140.30.10: Graphical user interface
 70.140.30.20: Virtual reality
 70.140.30: Man computer interface
 70.140: Human factors engineering
 70.150: Industrial ecology
 70.160.10: Industrial modernization
 70.160.20: Industrial preparedness
 70.160.30: Industrial research
 70.160.40: Nuclear industrial applications
 70.160.50: Process engineering
 70.160.60: Spinning (industrial processes)
 70.160: Industrial engineering
 70.170.10.10: Organizational realignment
 70.170.10.20: Outsourcing
 70.170.10.30: Privatization
 70.170.10: Business process reengineering
 70.170.20: Collaborative techniques
 70.170.30: Management benchmarking
 70.170.40.10: Critical path analysis
 70.170.40.20: Gantt charts
 70.170.40.30: Network analysis (management)
 70.170.40.40: PERT
 70.170.40.50: Planning programming budgeting
 70.170.40: Management planning and control
 70.170.50.10: Concurrent engineering
 70.170.50.20: Mass production
 70.170.50.30: Production control
 70.170.50.40: Production scheduling
 70.170.50.50: System productivity
 70.170.50.60: Tooling
 70.170.50: Production engineering
 70.170: Management engineering
 70.180.10: Seaworthiness
 70.180.20: Shipbuilding
 70.180: Marine engineering
 70.190.10: Fluid mechanics
 70.190.20: Nanoengineering
 70.190.30: Robotics
 70.190.40: Transportation
 70.190.50: Vibration engineering
 70.190: Mechanical engineering
 70.200: Military engineering
 70.20: Architectural engineering
 70.210: Mining engineering
 70.220: Nuclear engineering
 70.230: Reliability engineering
 70.240: Sanitary engineering
 70.250.100: Statistical signal processing
 70.250.10: Array processing
 70.250.110: Video processing
 70.250.20: Audio signal processing
 70.250.30: Data mining
 70.250.40: Genomic signal processing
 70.250.50: Image processing
 70.250.60: Quantization
 70.250.70: Seismic signal processing
 70.250.80: Signal filtering
 70.250.90: Speech signal processing
 70.250: Signal processing
 70.260.10: Computer benchmarking
 70.260.20: Constructive research
 70.260.30: Fault tolerance
 70.260.40: Software design
 70.260.50: Software tools
 70.260: Software engineering
 70.270: Structural engineering
 70.280.10: Concurrent engineering
 70.280.20: Risk analysis
 70.280.30: Technology assessment
 70.280: Systems engineering
 70.290.10.10: Debonding
 70.290.10.20: Deformation
 70.290.10.30: Delamination
 70.290.10.40: Failure analysis
 70.290.10.50: Kinematic hardening
 70.290.10.60: Mechanical stress
 70.290.10.70: Metal fatigue
 70.290.10: Damage mechanics
 70.290.20: Friction
 70.290.30: Lubrication
 70.290: Tribology
 70.30.10: Biological systems engineering
 70.30.20: Biomedical engineering
 70.30.30: Biomimetics
 70.30.40: Bionics
 70.30.50: Medical devices
 70.30: Bioengineering
 70.40.10: Chemical production
 70.40.20: Fluid mechanics
 70.40.30: Industrial chemicals
 70.40: Chemical engineering
 70.50.10: Coastal engineering
 70.50.20: Geotechnical engineering
 70.50.30: Structures
 70.50: Civil engineering
 70.60.10: Control systems
 70.60.20: Fault tolerance
 70.60: Control engineering
 70.70.10: Earthquake-resistant structures
 70.70.20: Earthquake warning systems
 70.70: Earthquake engineering
 70.80.10: Computer engineering
 70.80.20: Power engineering
 70.80.30: Communications
 70.80: Electrical engineering
 70.90: Electronics engineering
 70: Engineering
 80.100.10: Catalytic properties
 80.100.20: Electronic properties
 80.100.30: Magnetic properties
 80.100.40: Mechanical properties
 80.100.50: Optical properties
 80.100: Material properties
 80.10: Biomaterials
 80.110: Materials characterization
 80.120: Materials chemistry
 80.130: Materials design
 80.140: Materials physics
 80.150.100.10: Metallography
 80.150.100.20: Tractable
 80.150.100: Physical metallurgy
 80.150.10: Castings
 80.150.110: Powder metallurgy
 80.150.120: Pyrometallurgy
 80.150.20: Deoxidation
 80.150.30: Electroplating
 80.150.40: Eutectics
 80.150.50: Fiber metallurgy
 80.150.60: Grain structures
 80.150.70: Hydrometallurgy
 80.150.80.100: Indium alloys
 80.150.80.10: Bismuth alloys
 80.150.80.110: Lead alloys
 80.150.80.120: Magnesium alloys
 80.150.80.130: Mercury alloys
 80.150.80.140: Nickel alloys
 80.150.80.150: Plutonium alloys
 80.150.80.160: Potassium alloys
 80.150.80.170: Rare earth alloys
 80.150.80.180: Silver alloys
 80.150.80.190: Soft magnetic alloys
 80.150.80.200: Stainless steel
 80.150.80.20: Cobalt alloys
 80.150.80.210: Steel
 80.150.80.220: Tin alloys
 80.150.80.230: Titanium alloys
 80.150.80.240: Uranium alloys
 80.150.80.250: Zinc alloys
 80.150.80.30: Complex metallic alloys
 80.150.80.40: Copper alloys
 80.150.80.50: Ferroalloys
 80.150.80.60: Iron alloys
 80.150.80.70: Aluminum alloys
 80.150.80.80: Gallium alloys
 80.150.80.90: Gold alloys
 80.150.80: Metal alloys
 80.150.90: Metal segregation
 80.150: Metallurgy
 80.160: Microstructure
 80.170: Microtechnology
 80.180.10: Bionanotechnology
 80.180.20: Ferritin
 80.180.30: Molecular electronics
 80.180.40: Nanomaterials
 80.180.50: Nanorobotics
 80.180.60: Programmable matter
 80.180: Nanotechnology
 80.190: Natural materials
 80.200.10.10: Debonding
 80.200.10.20: Deformation
 80.200.10.30: Delamination
 80.200.10.40: Failure analysis
 80.200.10.50: Kinematic hardening
 80.200.10.60: Mechanical stress
 80.200.10.70: Metal fatigue
 80.200.10: Damage mechanics
 80.200: Tribology
 80.20: Catalysts
 80.210: Friction
 80.220: Lubrication
 80.30: Ceramography
 80.40: Crystallography
 80.50: Electronic materials
 80.60: Forensic engineering
 80.70: Glass science
 80.80.100: Superhard materials
 80.80.10: Energetic materials
 80.80.20: Hazardous materials
 80.80.30: Intelligent materials
 80.80.40: Nanomaterials
 80.80.50: Photonic materials
 80.80.60: Porous materials
 80.80.70: Reactor materials
 80.80.80: Recording media
 80.80.90: Smart materials
 80.80: Material by attribute
 80.90.100.100: Polyurethanes
 80.90.100.10: Acrylics
 80.90.100.110: Polyvinyl chloride
 80.90.100.120: Synthetic polymers
 80.90.100.130: Thermoplastics
 80.90.100.140: Thermosetting plastics
 80.90.100.150: Thermosetting polymers
 80.90.100.20: Biopolymers
 80.90.100.30: Elastomers
 80.90.100.40: Nylons
 80.90.100.50: Polycarbonates
 80.90.100.60: Polyesters
 80.90.100.70: Polyethylene
 80.90.100.80: Polypropylene
 80.90.100.90: Polystyrene
 80.90.100: Polymers
 80.90.10: Ceramics
 80.90.110: Semiconductors
 80.90.120: Vitreous materials
 80.90.130: Zeolites
 80.90.20.10: Carbon fiber
 80.90.20.20: Fiberglass
 80.90.20.30: Kevlar
 80.90.20: Composite materials
 80.90.30: Covalent crystals
 80.90.40: Hierarchical materials
 80.90.50.10: Coating materials
 80.90.50.20: Dental amalgams
 80.90.50.30: High-temperature structural materials
 80.90.50.40: Hydrogen storage materials
 80.90.50.50: Magnetic materials
 80.90.50.60: Shape memory alloys
 80.90.50.70: Superconductors
 80.90.50: Intermetallics
 80.90.60: Ionic crystals
 80.90.70: Material films
 80.90.80: Metals
 80.90.90: Metamaterials
 80.90: Material by structure
 80: Materials science
 90.10.100: Polynomials
 90.10.10: Abstract algebra
 90.10.110: Ring theory
 90.10.120: Universal algebra
 90.10.20: Algebraic equations
 90.10.30.10: Algebraic curves
 90.10.30.20: Elliptic curves
 90.10.30: Algebraic geometry
 90.10.40: Algebraic structures
 90.10.50: Algebraic systems
 90.10.60: Algebraic topology
 90.10.70: Field theory
 90.10.80: Homological algebra
 90.10.90: Linear algebra
 90.100.100: Stochastic processes
 90.100.10: Bayes theorem
 90.100.20: Central limit theorem
 90.100.30: Events (probability theory)
 90.100.40: Law of large numbers
 90.100.50: Markov model
 90.100.60: Probability density
 90.100.70: Probability distribution
 90.100.80: Random variables
 90.100.90.10: Distribution curves
 90.100.90.20: Statistical medians
 90.100.90: Statistical distributions
 90.100: Probability theory
 90.10: Algebra
 90.110.10: Biostatistics
 90.110.20: Confidence intervals
 90.110.30: Contingency tables
 90.110.40: Decision theory
 90.110.50: Statistical methods
 90.110.60.10: Equilibrium statistical theory
 90.110.60.20: Scaling theory
 90.110.60: Statistical theories
 90.110: Statistics
 90.120.10: Algebraic topology
 90.120.20: Cohomology
 90.120.30: Knot theory
 90.120.40: Manifolds
 90.120.50: Topological invariants
 90.120.60: Topological spaces
 90.120: Topology
 90.20.10: Algorithms
 90.20.20: Complex systems
 90.20.30: Control theory
 90.20.40: Decision theory
 90.20.50: Ergodic theory
 90.20.60: Finite element analysis
 90.20.70: Game theory
 90.20: Applied mathematics
 90.30.10: Differential equations
 90.30.20: Fractional calculus
 90.30: Calculus
 90.40.10: Combinatorics
 90.40.20: Computational systems
 90.40: Discrete mathematics
 90.50.100: Trigonometry
 90.50.10: Computational geometry
 90.50.20: Coordinate geometry
 90.50.30: Differential geometry
 90.50.40: Euclidean geometry
 90.50.50: Fractals
 90.50.60: Non-euclidean geometry
 90.50.70: Projective geometry
 90.50.80: Rigidity
 90.50.90: Surface theory
 90.50: Geometry
 90.60: Mathematical computing
 90.70.10: Brouwer fixed-point theorem
 90.70.20: General equilibrium model
 90.70.30: Hyperplane theorems
 90.70.40: Pareto efficiency of general equilibrium
 90.70: Mathematical economics
 90.80: Nonlinear dynamics
 90.90.10: Automorphic forms
 90.90.20: Continued fractions
 90.90.30: Diophantine equations
 90.90.40: Generating functions
 90.90.50: Number concepts
 90.90.60: Riemann hypothesis
 90.90.70: Special numbers
 90.90.80: Waring's problem
 90.90: Number theory
 90: Mathematics