- NLM Classification (15)
- QT Physiology (1)
- QU Biochemistry (2)
- QZ Pathology (405)
- W Health professions (150)
- WA Public health (17)
- WG Cardiovascular system (122)
- WI Digestive system (10)
- WJ Urogenital system (41)
- WL Nervous system (10)
- WM Psychiatry (5)
- WO Surgery (4)
- WP Gynaecology (21)
- WQ Obstetrics (24)
- WR Dermatology (22)
- WS Pediatrics (28)
- WW Ophthalmology (1)
- WY Nursing (4)
- Y Other (125)
Number of items at this level: 0.
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