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Intravenous Substance Abuse
Needle Sharing
Risk-Taking
Residence Characteristics
HIV Infections
Substance-Related Disorders
Cocaine-Related Disorders
Young Adult
African Americans
African Continental Ancestry Group
Risk Factors
Odds Ratio
Socioeconomic Factors
Cross-Sectional Studies
Poverty Areas
Poverty
Confidence Intervals
Needle-Exchange Programs
Baltimore
Chicago
Co-Publications
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3
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