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Subjects
- United States2
- Billings, John S. (John Shaw), 1838-1913.1
- Biological Evolution1
- Canada1
- Coronary Disease1
- Correspondence as Topic1
- Exobiology1
- Libraries, Medical1
- Medicine1
- Mediterranean Region1
- Military Medicine -- history1
- Regional Medical Programs1
- Research Support as Topic1
- United States. Army. Medical Department1
- War-Related Injuries1
- World War II1