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Subjects
- Cardiovascular Diseases -- prevention & control15
- Condoms6
- Acquired Immunodeficiency Syndrome -- prevention & control5
- Safe Sex5
- Alcoholic Intoxication -- prevention & control4
- Health Promotion4
- Hotlines4
- Acquired Immunodeficiency Syndrome2
- Health Behavior2
- Heroin Dependence -- prevention & control2
- Homosexuality, Male2
- Muridae2
- Reading2
- Rodent Control2
- Sexual Behavior2
- Smoking -- prevention & control2
- Tuberculosis, Pulmonary -- prevention & control2
- Voluntary Health Agencies2
- Walking2
- Adolescent1