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Intravenous Substance Abuse
Questionnaires
Patient Compliance
HIV Infections
Substance-Related Disorders
British Columbia
Canada
United States
Cohort Studies
Prospective Studies
Multivariate Analysis
Comorbidity
Logistic Models
Homeless Persons
Highly Active Antiretroviral Therapy
CD4 Lymphocyte Count
Anti-Retroviral Agents
Anti-HIV Agents
Methadone
Medical Faculties
Co-Publications
20
16
15
14
10
8
7
6
5
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