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Subjects
- United States279
- Hygiene175
- World War I146
- Medicine80
- Anatomy65
- Hospitals, Military62
- Physiological Phenomena62
- Sexual Behavior58
- France56
- Military Medicine55
- Military Personnel51
- New York51
- Physicians50
- Pharmaceutical Preparations46
- Sanitation45
- Sex Education42
- Child41
- Health Behavior40
- Nonprescription Drugs38
- New York City37
