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Subjects
- Libraries, Medical10
- National Library of Medicine (U.S.)10
- Library Materials8
- United States6
- Military Personnel5
- Antihypertensive Agents4
- Hypertension4
- Military Medicine -- history4
- United States. Army. Medical Department4
- Chlorothiazide3
- Librarians3
- Library Technical Services3
- Neurosurgery -- history3
- Periodicals as Topic3
- Shannon, James A. (James Augustine), 1904-1994.3
- Transportation of Patients3
- Warfare3
- Aerospace Medicine2
- African Americans2
- Aircraft2