No abstract available
Publication types
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Multicenter Study
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Research Support, N.I.H., Extramural
MeSH terms
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Adult
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Amphetamine-Related Disorders / epidemiology
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Amphetamine-Related Disorders / prevention & control*
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HIV Infections / epidemiology
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HIV Infections / prevention & control*
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Homosexuality, Male*
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Humans
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Male
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Methamphetamine*
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Preventive Health Services
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San Francisco / epidemiology
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Sexual Behavior*
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Surveys and Questionnaires
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Washington / epidemiology