No abstract available
Publication types
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Letter
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Research Support, N.I.H., Extramural
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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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AIDS Vaccines / pharmacology*
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Adult
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Brazil / epidemiology
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Cohort Studies
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Cross-Sectional Studies
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Female
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HIV Infections / epidemiology
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HIV Infections / prevention & control*
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HIV Infections / transmission
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HIV-1
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Heterosexuality
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Humans
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Male
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Risk Factors