title: A reduction in HIV positive and an increase in hepatitis C positive subjects in methadone maintenance treatments.
authors.forename: D
authors.initials: D
authors.lastname: Ladewig
mesh_terms: D003430:Cross-Sectional Studies; D015658:HIV Infections / Q000453:epidemiology*; D006526:Hepatitis C / Q000453:epidemiology*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009294:Narcotics / Q000627:therapeutic use; D009293:Opioid-Related Disorders / Q000453:epidemiology* / Q000534:rehabilitation; D011795:Surveys and Questionnaires; D013557:Switzerland / Q000453:epidemiology
chemical_list: D009294:Narcotics; D008691:Methadone