High dose methadone maintenance: an evaluation.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004522:Educational Status; D005191:Family Characteristics; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000008:administration & dosage*; D044469:Racial Groups; D019966:Substance-Related Disorders / Q000188:drug therapy*
D003932:Heroin; D008691:Methadone