Sexually transmitted diseases in Africa.
University of Zimbabwe Medical School, Harare.
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D000349:Africa / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology / Q000635:transmission; D006679:HIV Seropositivity / Q000453:epidemiology; D006801:Humans; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*