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Intravenous Substance Abuse
Risk-Taking
Prostitution
British Columbia
Canada
HIV Infections
Prospective Studies
Cohort Studies
Logistic Models
Viral Load
Multivariate Analysis
Drug Users
Young Adult
Homeless Youth
Substance Abuse Treatment Centers
Needle-Exchange Programs
Highly Active Antiretroviral Therapy
Harm Reduction
Anti-HIV Agents
Street Drugs
Co-Publications
47
17
14
13
7
6
5
4
3
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