No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Acquired Immunodeficiency Syndrome / diagnosis
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Acquired Immunodeficiency Syndrome / epidemiology*
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Acquired Immunodeficiency Syndrome / transmission
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Adolescent
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Adult
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Baltimore
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Female
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HIV Antibodies / analysis
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HIV-1*
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Humans
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Longitudinal Studies
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Male
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Middle Aged
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Racial Groups
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Sexual Behavior
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Substance Abuse Treatment Centers
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Substance Abuse, Intravenous / complications
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Substance Abuse, Intravenous / epidemiology*
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United States