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Intravenous Substance Abuse
Risk-Taking
Needle Sharing
Health Knowledge, Attitudes, Practice
Safe Sex
Unsafe Sex
Equipment Reuse
United States
Hepatitis C
Urban Population
Socioeconomic Factors
Patient Selection
Risk Factors
Statistical Data Interpretations
Analysis of Variance
Sex Factors
Hepatitis A Antibodies
Hepatitis A Vaccines
Heroin
Hepatitis C Antibodies
Co-Publications
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