State dependent control of discrimination by morphine and pentobarbital.
D000818:Animals; D001522:Behavior, Animal / Q000187:drug effects; D003213:Conditioning, Psychological; D004193:Discrimination Learning / Q000187:drug effects*; D004213:Dissociative Disorders; D006801:Humans; D009020:Morphine / Q000494:pharmacology*; D010424:Pentobarbital / Q000494:pharmacology*; D051381:Rats; D012492:Salts
D012492:Salts; D009020:Morphine; D010424:Pentobarbital