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Subjects
- United States9,799
- Physicians3,567
- Military Personnel2,302
- Nurses2,066
- Acquired Immunodeficiency Syndrome -- prevention & control1,999
- Medicine1,526
- American Civil War1,513
- Hospitals, Military1,171
- Nonprescription Drugs1,158
- World War II1,138
- Child1,130
- United States. Army1,037
- Condoms981
- Public Health954
- Veterans932
- Homeopathy904
- New York889
- Safe Sex844
- Regional Medical Programs781
- California779
