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Subjects
- United States9,817
- Physicians3,569
- Military Personnel2,304
- Nurses2,066
- Acquired Immunodeficiency Syndrome -- prevention & control1,999
- Medicine1,531
- American Civil War1,514
- Hospitals, Military1,171
- Nonprescription Drugs1,160
- World War II1,138
- Child1,134
- United States. Army1,037
- Condoms981
- Public Health956
- Veterans932
- Homeopathy904
- New York889
- Safe Sex844
- Regional Medical Programs781
- California780
