title: Intravenous self-administration of heroin in the rat: experimental technique and computer analysis.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D003201:Computers; D003932:Heroin; D006801:Humans; D008722:Methods; D051381:Rats; D019966:Substance-Related Disorders
chemical_list: D003932:Heroin