title: Heterosexual partners: a large risk group for AIDS.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000635:transmission*; D005260:Female; D006801:Humans; D008297:Male; D009519:New York City; D012306:Risk; D012725:Sexual Behavior; D019966:Substance-Related Disorders / Q000150:complications*