No abstract available
Publication types
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Research Support, Non-U.S. Gov't
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Research Support, U.S. Gov't, P.H.S.
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Review
MeSH terms
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HIV Infections / prevention & control*
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HIV Infections / transmission
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Humans
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Methadone / therapeutic use
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Needle-Exchange Programs*
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Program Evaluation
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Risk Factors
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Substance-Related Disorders / rehabilitation*