title: [Experimental heroin maintenance programmes: the distance between what might be done and what is really done].
authors.forename: J
authors.initials: J
authors.lastname: Trujols Albet
authors.forename: M
authors.initials: M
authors.lastname: Casas Brugué
authors.forename: J
authors.initials: J
authors.lastname: Pérez de los Cobos Peris
mesh_terms: D006801:Humans; D011634:Public Health; D012107:Research Design; D015819:Substance Abuse, Intravenous / Q000453:epidemiology* / Q000517:prevention & control*