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- Sanitation228
- Physiological Phenomena227
- Confederate States of America. Army224
- Surgical Procedures, Operative218
- Education, Medical217
- Jurisprudence212
- Pharmaceutical Preparations209
- Electric Stimulation Therapy201
- Societies, Medical -- organization & administration193
- Cholera189
- Public Health185
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- Military Medicine175
- Anatomy174
- Societies, Medical171
- Equipment and Supplies159
- Water Supply158
- Pennsylvania155
- Clinical Medicine147
- Organization and Administration145