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Subjects
- World War I107
- United States87
- Military Medicine36
- Hospitals, Military34
- France33
- Military Personnel30
- Relief Work16
- Sex Education16
- Sexually Transmitted Diseases16
- Influenza, Human15
- Disabled Persons -- rehabilitation14
- New York14
- American National Red Cross.13
- Brazil13
- Pennsylvania13
- Sexual Behavior13
- Nursing Care12
- Volunteers12
- Ambulances11
- Diabetes Mellitus11