Heroin and the new prescribers.
D003153:Community Health Services; D003932:Heroin; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D013375:Substance Withdrawal Syndrome / Q000517:prevention & control; D019966:Substance-Related Disorders; D006113:United Kingdom
D003932:Heroin; D008691:Methadone