The epidemiology of acquired immunodeficiency syndrome among heterosexuals.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000208:ethnology / Q000635:transmission; D000349:Africa; D044383:Black People; D004812:Epidemiologic Methods; D005260:Female; D006205:Haiti; D006801:Humans; D008297:Male; D011159:Population Surveillance; D012725:Sexual Behavior; D012747:Sexual Partners; D014481:United States; D001741:Black or African American