Staying negative--it's not automatic: a harm-reduction approach to substance use and sex.
Gay Men's Health Crisis, Inc., New York, USA.
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Elovich
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control* / Q000635:transmission; D003153:Community Health Services / Q000458:organization & administration*; D003376:Counseling; D006266:Health Education / Q000458:organization & administration*; D018451:Homosexuality, Male / Q000523:psychology*; D006801:Humans; D008297:Male; D009519:New York City; D012307:Risk Factors; D012309:Risk-Taking; D012725:Sexual Behavior; D019966:Substance-Related Disorders