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Subjects
- American Civil War30
- Surgical Procedures, Operative30
- Military Hygiene29
- Sanitation29
- Financing, Government28
- General Surgery27
- Military Medicine -- history27
- National Library of Medicine (U.S.)27
- Physiological Phenomena27
- Public Health26
- Forensic Medicine25
- New York City24
- Clinical Medicine23
- Congresses as Topic23
- Public Health Administration23
- Warfare23
- Education, Medical22
- Massachusetts22
- Regional Health Planning22
- History of Medicine21