title: Narcotic addiction--new approaches.
mesh_terms: D000293:Adolescent; D000328:Adult; D003932:Heroin; D006801:Humans; D008297:Male; D009292:Narcotic Antagonists; D019966:Substance-Related Disorders / Q000628:therapy*; D014481:United States
chemical_list: D009292:Narcotic Antagonists; D003932:Heroin