Behavioral tolerance to cocaine.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D003042:Cocaine / Q000008:administration & dosage / Q000494:pharmacology*; D003216:Conditioning, Operant / Q000187:drug effects; D003913:Dextroamphetamine / Q000494:pharmacology; D004361:Drug Tolerance; D051381:Rats; D012055:Reinforcement Schedule; D013997:Time Factors
D003042:Cocaine; D003913:Dextroamphetamine