title: British narcotic treatment clinics after five years: some impressions about their effectiveness.
mesh_terms: D003153:Community Health Services; D006556:Heroin Dependence / Q000534:rehabilitation; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009892:Opium; D019966:Substance-Related Disorders / Q000188:drug therapy / Q000266:history / Q000534:rehabilitation*; D006113:United Kingdom
chemical_list: D009892:Opium; D008691:Methadone