title: Debate on the paper by David Vlahov & David D. Celentano.
authors.affiliation: Faculdade de Filosofia e Ciências Humanas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil. evvargas@fafich.ufmg.br
authors.forename: Eduardo Viana
authors.initials: EV
authors.lastname: Vargas
mesh_terms: D023241:Antiretroviral Therapy, Highly Active; D001938:Brazil; D015658:HIV Infections / Q000150:complications / Q000188:drug therapy*; D006801:Humans; D010349:Patient Compliance; D018579:Patient Selection; D015819:Substance Abuse, Intravenous / Q000150:complications*