| A2 (Musculoskeletal System) |
1 |
| A6 (Endocrine System) |
1 |
| A8 (Nervous System) |
55 |
| A11 (Cells) |
7 |
| B1 (Eukaryota) |
11 |
| B3 (Bacteria) |
1 |
| B4 (Viruses) |
2 |
| C2 (Virus Diseases) |
1 |
| C4 (Neoplasms) |
4 |
| C5 (Musculoskeletal Diseases) |
3 |
| C6 (Digestive System Diseases) |
3 |
| C7 (Stomatognathic Diseases) |
1 |
| C8 (Respiratory Tract Diseases) |
2 |
| C9 (Otorhinolaryngologic Diseases) |
3 |
| C10 (Nervous System Diseases) |
11 |
| C11 (Eye Diseases) |
1 |
| C12 (Male Urogenital Diseases) |
1 |
| C13 (Female Urogenital Diseases and Pregnancy Complications) |
8 |
| C14 (Cardiovascular Diseases) |
2 |
| C15 (Hemic and Lymphatic Diseases) |
2 |
| C16 (Congenital, Hereditary, and Neonatal Diseases and Abnormalities) |
10 |
| C17 (Skin and Connective Tissue Diseases) |
3 |
| C18 (Nutritional and Metabolic Diseases) |
1 |
| C20 (Immune System Diseases) |
3 |
| C23 (Pathological Conditions, Signs and Symptoms) |
16 |
| C25 (Chemically-Induced Disorders) |
3 |
| C26 (Wounds and Injuries) |
3 |
| D2 (Organic Chemicals) |
2 |
| D3 (Heterocyclic Compounds) |
1 |
| D5 (Macromolecular Substances) |
3 |
| D6 (Hormones, Hormone Substitutes, and Hormone Antagonists) |
1 |
| D8 (Enzymes and Coenzymes) |
11 |
| D9 (Carbohydrates) |
2 |
| D12 (Amino Acids, Peptides, and Proteins) |
16 |
| D20 (Complex Mixtures) |
2 |
| D23 (Biological Factors) |
10 |
| D25 (Biomedical and Dental Materials) |
1 |
| D26 (Pharmaceutical Preparations) |
2 |
| D27 (Chemical Actions and Uses) |
48 |
| E1 (Diagnosis) |
6 |
| E2 (Therapeutics) |
3 |
| E3 (Anesthesia and Analgesia) |
2 |
| E4 (Surgical Procedures, Operative) |
7 |
| E5 (Investigative Techniques) |
14 |
| E7 (Equipment and Supplies) |
2 |
| F1 (Behavior and Behavior Mechanisms) |
10 |
| F2 (Psychological Phenomena and Processes) |
5 |
| F3 (Mental Disorders) |
1 |
| F4 (Behavioral Disciplines and Activities) |
2 |
| G1 (Physical Phenomena) |
3 |
| G2 (Chemical Phenomena) |
4 |
| G3 (Metabolic Phenomena) |
25 |
| G4 (Cell Physiological Phenomena) |
1 |
| G5 (Genetic Phenomena) |
2 |
| G7 (Physiological Phenomena) |
29 |
| G8 (Reproductive and Urinary Physiological Phenomena) |
4 |
| G9 (Circulatory and Respiratory Physiological Phenomena) |
6 |
| G10 (Digestive System and Oral Physiological Phenomena) |
7 |
| G11 (Musculoskeletal and Neural Physiological Phenomena) |
6 |
| G13 (Integumentary System Physiological Phenomena) |
1 |
| G14 (Ocular Physiological Phenomena) |
2 |
| G16 (Biological Phenomena) |
6 |
| H1 (Natural Science Disciplines) |
2 |
| H2 (Health Occupations) |
2 |
| I1 (Social Sciences) |
6 |
| I3 (Human Activities) |
1 |
| J1 (Technology, Industry, and Agriculture) |
5 |
| J2 (Food and Beverages) |
1 |
| L1 (Information Science) |
8 |
| M1 (Persons) |
7 |
| N2 (Health Care Facilities, Manpower, and Services) |
5 |
| N3 (Health Care Economics and Organizations) |
3 |
| N4 (Health Services Administration) |
5 |
| N5 (Health Care Quality, Access, and Evaluation) |
8 |
| N6 (Environment and Public Health) |
13 |
| Z1 (Geographic Locations) |
1 |