Self-administration of d-amphetamine by rats.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D003216:Conditioning, Operant; D003913:Dextroamphetamine / Q000494:pharmacology*; D008297:Male; D011600:Psychopharmacology; D051381:Rats; D012054:Reinforcement, Psychology
D003913:Dextroamphetamine