Heterosexual contact displaces drug abuse as main source of AIDS in women.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology / Q000635:transmission*; D000328:Adult; D005260:Female; D006801:Humans; D012307:Risk Factors; D012725:Sexual Behavior; D019966:Substance-Related Disorders; D014481:United States / Q000453:epidemiology