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South Africa
Substance-Related Disorders
HIV Infections
Alcoholism
Amphetamine-Related Disorders
Alcohol Drinking
Unsafe Sex
Questionnaires
Risk-Taking
Prostitution
Sexual Behavior
Cross-Sectional Studies
Prevalence
Health Policy
Risk Factors
Developing Countries
Methamphetamine
Focus Groups
African Continental Ancestry Group
Substance Abuse Treatment Centers
Co-Publications
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