title: Comments and findings from a naltrexone double blind study.
mesh_terms: D002986:Clinical Trials as Topic; D006801:Humans; D008691:Methadone / Q000627:therapeutic use; D009270:Naloxone / Q000031:analogs & derivatives*; D009271:Naltrexone / Q000009:adverse effects / Q000627:therapeutic use*; D012107:Research Design; D013223:Statistics as Topic; D019966:Substance-Related Disorders / Q000534:rehabilitation*
chemical_list: D009270:Naloxone; D009271:Naltrexone; D008691:Methadone