Discriminability and procedure: effects of cocaine and amphetamine.
D000818:Animals; D003042:Cocaine / Q000494:pharmacology*; D003913:Dextroamphetamine / Q000494:pharmacology*; D004193:Discrimination Learning; D004924:Escape Reaction; D008297:Male; D009042:Motivation; D051381:Rats
D003042:Cocaine; D003913:Dextroamphetamine