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Subjects
- Medicine50
- United States26
- Materia Medica16
- Philadelphia16
- Surgical Procedures, Operative16
- Physicians14
- General Surgery12
- New York City12
- Anatomy11
- Midwifery11
- Pharmaceutical Preparations11
- Boston9
- Disease Outbreaks9
- Massachusetts9
- Therapeutics9
- Chemistry8
- Clinical Medicine8
- Societies, Medical -- organization & administration8
- Hygiene7
- Obstetrics7