No abstract available
MeSH terms
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Female
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Gambia / epidemiology
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HIV Antibodies / analysis*
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HIV Infections / immunology*
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HIV Infections / prevention & control
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HIV Seroprevalence
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HIV-1 / immunology*
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Humans
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Immunity, Mucosal*
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Immunoglobulin A / analysis*
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Male
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Sex Work
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Vagina / immunology
Substances
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HIV Antibodies
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Immunoglobulin A