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Subjects
- United States97
- Libraries, Medical31
- National Library of Medicine (U.S.)26
- Military Medicine -- history14
- Physicians14
- Warfare12
- United States. Army. Medical Department11
- World War II9
- Billings, John S. (John Shaw), 1838-1913.6
- Librarians6
- Anniversaries and Special Events5
- Kirklin, John W. (John Webster)5
- History, 20th Century4
- Air Pollution3
- Bordetella pertussis3
- Contraception3
- General Surgery -- history3
- History of Medicine3
- Military Psychiatry -- history3
- Neurology -- history3