title: [Risk behaviours among intravenous drug users under methadone treatment].
authors.forename: K
authors.initials: K
authors.lastname: Pérez
authors.forename: A
authors.initials: A
authors.lastname: Rodés
authors.forename: M
authors.initials: M
authors.lastname: Meroño
authors.forename: J
authors.initials: J
authors.lastname: Casabona
mesh_terms: D000328:Adult; D000465:Algorithms; D003430:Cross-Sectional Studies; D005260:Female; D015658:HIV Infections / Q000175:diagnosis / Q000453:epidemiology / Q000635:transmission; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000627:therapeutic use*; D009294:Narcotics / Q000008:administration & dosage / Q000627:therapeutic use*; D012309:Risk-Taking; D012725:Sexual Behavior; D013030:Spain / Q000453:epidemiology; D015819:Substance Abuse, Intravenous / Q000534:rehabilitation*; D011795:Surveys and Questionnaires; D013997:Time Factors; D014944:World Health Organization
chemical_list: D009294:Narcotics; D008691:Methadone