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Intravenous Substance Abuse
Risk-Taking
Cooperative Behavior
Health Behavior
Sexual Behavior
Alcohol Drinking
Russia
Alcoholism
HIV Infections
Heroin Dependence
Hepatitis C
Hepatitis B
Tuberculosis, Pulmonary
Substance Abuse Treatment Centers
Integrated Delivery of Health Care
Primary Health Care
Health Services Needs and Demand
Urban Population
Motivation
Comorbidity
Co-Publications
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