title: Aversiveness of oral methadone in rats.
mesh_terms: D000818:Animals; D002755:Choice Behavior / Q000187:drug effects*; D003657:Decision Making / Q000187:drug effects*; D006556:Heroin Dependence / Q000503:physiopathology; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage / Q000494:pharmacology*; D008960:Models, Psychological; D009271:Naltrexone / Q000494:pharmacology; D011803:Quinine / Q000494:pharmacology; D051381:Rats; D012646:Self Administration; D013649:Taste; D013997:Time Factors
chemical_list: D009271:Naltrexone; D011803:Quinine; D008691:Methadone