title: Methadone treatment versus therapeutic communities: preliminary results of a randomized study in progress.
mesh_terms: D000328:Adult; D000367:Age Factors; D002140:California; D005006:Ethnicity; D005191:Family Characteristics; D006556:Heroin Dependence / Q000188:drug therapy* / Q000628:therapy; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D012047:Rehabilitation Centers; D019966:Substance-Related Disorders; D013808:Therapeutic Community
chemical_list: D008691:Methadone