title: Political challenges in randomized controlled trials of heroin-assisted treatment for severe heroin addiction: a Spanish experience.
authors.forename: Joan
authors.initials: J
authors.lastname: Trujols
authors.forename: Ioseba
authors.initials: I
authors.lastname: Iraurgi
mesh_terms: D000701:Analgesics, Opioid / Q000008:administration & dosage / Q000627:therapeutic use*; D003932:Heroin / Q000008:administration & dosage / Q000627:therapeutic use*; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D011057:Politics; D011287:Prejudice; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D013030:Spain
chemical_list: D000701:Analgesics, Opioid; D003932:Heroin