Reduction of conditioned suppression: actions of morphine compared with those of amphetamine, pentobarbital, nalorphine, cocaine, LSD-25 and chlorpromazine.
D000661:Amphetamine / Q000494:pharmacology*; D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects*; D002746:Chlorpromazine / Q000494:pharmacology*; D003042:Cocaine / Q000494:pharmacology*; D003213:Conditioning, Psychological / Q000187:drug effects*; D008238:Lysergic Acid Diethylamide / Q000494:pharmacology*; D009020:Morphine / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology*; D010424:Pentobarbital / Q000494:pharmacology*; D051381:Rats
D009020:Morphine; D008238:Lysergic Acid Diethylamide; D000661:Amphetamine; D010424:Pentobarbital; D003042:Cocaine; D002746:Chlorpromazine; D009269:Nalorphine