title: Addiction medicine.
authors.affiliation: University of Pennsylvania, Philadelphia, USA.
authors.forename: C P
authors.initials: CP
authors.lastname: O'Brien
authors.forename: A T
authors.initials: AT
authors.lastname: McLellan
mesh_terms: D000437:Alcoholism / Q000628:therapy*; D001521:Behavior Therapy; D015510:Clinical Medicine / Q000639:trends*; D006801:Humans; D016031:Liver Transplantation; D009271:Naltrexone / Q000627:therapeutic use; D009292:Narcotic Antagonists / Q000627:therapeutic use; D019966:Substance-Related Disorders / Q000628:therapy*
chemical_list: D009292:Narcotic Antagonists; D009271:Naltrexone