title: Historical trends in naltrexone research.
mesh_terms: D006556:Heroin Dependence / Q000266:history / Q000534:rehabilitation; D049673:History, 20th Century; D006801:Humans; D009270:Naloxone / Q000031:analogs & derivatives*; D009271:Naltrexone / Q000266:history* / Q000627:therapeutic use; D012106:Research; D014481:United States
chemical_list: D009270:Naloxone; D009271:Naltrexone