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.
MeSH terms
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Adult
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Enzyme-Linked Immunosorbent Assay
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Female
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HIV Seropositivity / epidemiology*
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HIV Seropositivity / transmission
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Humans
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Italy
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Male
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Substance-Related Disorders / complications*