Methadone and addiction.
D004335:Drug and Narcotic Control; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009021:Morphine Dependence / Q000188:drug therapy; D009520:New Zealand; D019966:Substance-Related Disorders
D003932:Heroin; D008691:Methadone