Title: The context of HIV risk among drug users and their sexual partners
Subjects: Intravenous Substance Abuse, Health and hygiene, HIV infections, Hypodermic needles, Transmission, Needle sharing, Risk factors, Intravenous drug abuse, Sex Behavior, Intravenous drug abusers, Congresses, Drug addicts, Health aspects, Epidemiology, Risk-Taking, Sexual Behavior, Sexual Partners, Substance-Related Disorders