- NLM Classification (6)
- QT Physiology (1)
- QU Biochemistry (13)
- QZ Pathology (404)
- W Health professions (23)
- WA Public health (25)
- WG Cardiovascular system (121)
- WI Digestive system (29)
- WJ Urogenital system (16)
- WL Nervous system (38)
- WM Psychiatry (6)
- WO Surgery (1)
- WP Gynaecology (1)
- WQ Obstetrics (1)
- WR Dermatology (22)
- WS Pediatrics (28)
- WW Ophthalmology (10)
- WY Nursing (4)
- Y Other (125)
Number of items at this level: 0.
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