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Subjects
- United States9,780
- Physicians3,567
- Military Personnel2,300
- Nurses2,066
- Acquired Immunodeficiency Syndrome -- prevention & control1,999
- Medicine1,518
- American Civil War1,513
- Hospitals, Military1,171
- Nonprescription Drugs1,158
- World War II1,138
- Child1,129
- United States. Army1,035
- Condoms981
- Public Health953
- Veterans932
- Homeopathy904
- New York888
- Safe Sex844
- Regional Medical Programs781
- California779
