No abstract available
MeSH terms
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Adolescent
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Adolescent Behavior
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Adult
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Female
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HIV Infections* / epidemiology
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HIV Infections* / genetics
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HIV Infections* / prevention & control
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HIV Infections* / transmission
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HIV-1 / classification
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HIV-1 / pathogenicity
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Humans
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Male
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Risk Factors
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Sexual Behavior*
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South Africa / epidemiology