The effect of morphine, pimozide and naloxone on discrimination by rats in a shock escape test.
D000818:Animals; D004305:Dose-Response Relationship, Drug; D004597:Electroshock; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology*; D010868:Pimozide / Q000494:pharmacology*; D011287:Prejudice / Q000187:drug effects*; D051381:Rats
D010868:Pimozide; D009270:Naloxone; D009020:Morphine