No abstract available
MeSH terms
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Adolescent
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Adult
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Child
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Enzyme-Linked Immunosorbent Assay / methods
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Equatorial Guinea / epidemiology
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Female
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HIV Antibodies / analysis
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HIV Envelope Protein gp41 / immunology
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HIV Infections / epidemiology*
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HIV Infections / transmission
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HIV-1*
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Humans
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Male
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Middle Aged
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Pregnancy
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Prevalence
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Retrospective Studies
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Seroepidemiologic Studies
Substances
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HIV Antibodies
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HIV Envelope Protein gp41