title: The effect of non-contingent amphetamine injections on the extinction of food- and drug-reinforced lever pressing in rats.
mesh_terms: D000818:Animals; D003216:Conditioning, Operant / Q000187:drug effects*; D003913:Dextroamphetamine / Q000008:administration & dosage / Q000494:pharmacology*; D004053:Diethylpropion / Q000494:pharmacology; D004192:Discrimination, Psychological; D005108:Extinction, Psychological / Q000187:drug effects*; D005502:Food; D008297:Male; D010633:Phenmetrazine / Q000494:pharmacology; D051381:Rats; D012055:Reinforcement Schedule
chemical_list: D004053:Diethylpropion; D003913:Dextroamphetamine; D010633:Phenmetrazine