title: Heroin users on a methadone programme.
authors.forename: C
authors.initials: C
authors.lastname: Onion
authors.forename: S
authors.initials: S
authors.lastname: Janikiewicz
mesh_terms: D005194:Family Practice; D017048:Health Care Costs; D006556:Heroin Dependence / Q000188:drug therapy* / Q000191:economics; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*
chemical_list: D008691:Methadone