- NLM Classification (13)
- QT Physiology (1)
- QU Biochemistry (2)
- QZ Pathology (33)
- W Health professions (142)
- WA Public health (3)
- WG Cardiovascular system (119)
- WI Digestive system (28)
- WJ Urogenital system (22)
- WL Nervous system (37)
- WM Psychiatry (14)
- WO Surgery (1)
- WP Gynaecology (21)
- WQ Obstetrics (1)
- WR Dermatology (22)
- WS Pediatrics (28)
- WW Ophthalmology (10)
- WY Nursing (4)
- Y Other (123)
Number of items at this level: 0.
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