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Subjects
- United States9,854
- Physicians3,585
- Military Personnel2,322
- Nurses2,065
- Acquired Immunodeficiency Syndrome -- prevention & control1,999
- Medicine1,556
- American Civil War1,515
- Hospitals, Military1,174
- Nonprescription Drugs1,160
- World War II1,138
- Child1,135
- United States. Army1,044
- Condoms981
- Public Health962
- Veterans932
- Homeopathy909
- New York896
- Safe Sex844
- Hygiene789
- California781
