title: Harm reduction: milestones, dilemmas, prospects, challenges.
authors.forename: Waleska Teixeira
authors.initials: WT
authors.lastname: Caiaffa
authors.forename: Francisco Inácio
authors.initials: FI
authors.lastname: Bastos
mesh_terms: D019380:Anti-HIV Agents / Q000600:supply & distribution; D001938:Brazil / Q000453:epidemiology; D015658:HIV Infections / Q000453:epidemiology / Q000517:prevention & control*; D040261:Harm Reduction; D006801:Humans; D011640:Public Policy; D015819:Substance Abuse, Intravenous; D035862:Vulnerable Populations
chemical_list: D019380:Anti-HIV Agents