From the Centers for Disease Control and Prevention. Heterosexually acquired AIDS--United States, 1993.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000635:transmission*; D005260:Female; D006801:Humans; D008297:Male; D012725:Sexual Behavior / Q000706:statistics & numerical data; D014481:United States / Q000453:epidemiology