From the Centers for Disease Control and Prevention. Continued sexual risk behavior among HIV-seropositive, drug-using men--1993.
D000328:Adult; D017280:Condoms / Q000706:statistics & numerical data; D004219:District of Columbia; D005845:Georgia; D006679:HIV Seropositivity / Q000523:psychology; D006801:Humans; D008297:Male; D008875:Middle Aged; D011647:Puerto Rico; D012309:Risk-Taking; D012725:Sexual Behavior / Q000706:statistics & numerical data; D019966:Substance-Related Disorders; D014505:Urban Population