TY - JOUR T1 - Comparison of drug effects on responding punished by pressurized air or electric shock delivery in squirrel monkeys: pentobarbital, chlordiazepoxide, d-amphetamine and cocaine. JF - Journal of Pharmacology and Experimental Therapeutics JO - J Pharmacol Exp Ther SP - 309 LP - 315 VL - 209 IS - 2 AU - R D Spealman Y1 - 1979/05/01 UR - http://jpet.aspetjournals.org/content/209/2/309.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -