title: Buprenorphine, heroin, and methadone: comparison of relative reinforcing properties.
mesh_terms: D000818:Animals; D001070:Appetitive Behavior / Q000187:drug effects*; D002047:Buprenorphine / Q000494:pharmacology*; D003216:Conditioning, Operant / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D003932:Heroin / Q000494:pharmacology*; D007263:Infusions, Parenteral; D008253:Macaca mulatta; D008254:Macaca nemestrina; D008297:Male; D008691:Methadone / Q000494:pharmacology*; D009019:Morphinans / Q000494:pharmacology*; D009042:Motivation / Q000187:drug effects; D012055:Reinforcement Schedule; D012646:Self Administration
chemical_list: D009019:Morphinans; D002047:Buprenorphine; D003932:Heroin; D008691:Methadone