- NLM Classification (20)
- QT Physiology (7)
- QU Biochemistry (13)
- QZ Pathology (402)
- W Health professions (23)
- WA Public health (25)
- WG Cardiovascular system (121)
- WI Digestive system (57)
- WJ Urogenital system (22)
- WM Psychiatry (5)
- WO Surgery (83)
- WP Gynaecology (4)
- WQ Obstetrics (1)
- WR Dermatology (22)
- WS Pediatrics (19)
- WW Ophthalmology (10)
- WY Nursing (4)
- Y Other (123)
Number of items at this level: 0.
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