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Subjects
- African Americans[remove]293
- United States74
- Humans40
- Hispanic Americans34
- European Continental Ancestry Group32
- Acquired Immunodeficiency Syndrome -- prevention & control26
- Nurses23
- Child20
- American Civil War18
- National Library of Medicine (U.S.). Reference Services Division.18
- Minority Groups17
- Adolescent15
- Asian Americans15
- Adult14
- State Government14
- Condoms13
- Safe Sex13
- United States. Army.12
- Anniversaries and Special Events11
- Insurance Coverage -- statistics & numerical data11