Prevention of the diversion of clinic methadone to the street market.
D000284:Administration, Oral; D004335:Drug and Narcotic Control; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008691:Methadone / Q000008:administration & dosage / Q000600:supply & distribution* / Q000627:therapeutic use; D019966:Substance-Related Disorders / Q000517:prevention & control*; D014481:United States
D008691:Methadone