title: [The black hole of substitution].
authors.forename: L
authors.initials: L
authors.lastname: Gourarier
authors.forename: D
authors.initials: D
authors.lastname: Touzeau
mesh_terms: D001569:Benzodiazepines / Q000627:therapeutic use*; D015658:HIV Infections / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D019966:Substance-Related Disorders / Q000150:complications / Q000188:drug therapy*
chemical_list: D009294:Narcotics; D001569:Benzodiazepines
vernacular_title: La boîte noire de la substitution.