title: Opiate maintenance alternatives: new studies.
mesh_terms: D002047:Buprenorphine / Q000627:therapeutic use*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*; D009020:Morphine / Q000627:therapeutic use*; D009292:Narcotic Antagonists / Q000627:therapeutic use; D009294:Narcotics / Q000627:therapeutic use*; D009293:Opioid-Related Disorders / Q000534:rehabilitation*
chemical_list: D009292:Narcotic Antagonists; D009294:Narcotics; D002047:Buprenorphine; D009020:Morphine; D008691:Methadone