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Subjects
- United States9,725
- Physicians3,548
- Military Personnel2,295
- Nurses2,065
- Acquired Immunodeficiency Syndrome -- prevention & control1,999
- American Civil War1,513
- Medicine1,475
- Hospitals, Military1,171
- Nonprescription Drugs1,158
- World War II1,138
- Child1,110
- United States. Army1,031
- Condoms981
- Public Health934
- Veterans931
- Homeopathy902
- New York874
- Safe Sex844
- Regional Medical Programs781
- California775