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Subjects
- Needle Sharing[remove]15
- Safe Sex[remove]15
- Condoms14
- Acquired Immunodeficiency Syndrome -- prevention & control12
- Health Education4
- HIV Infections -- prevention & control3
- Adolescent1
- Friends1
- Health Promotion1
- Homosexuality, Male1
- Hotlines1
- Indians, North American1
- Infectious Disease Transmission, Vertical1
- Infectious Disease Transmission, Vertical -- prevention & control1
- Oregon1