Reduction of pain-conditioned anxiety by analgesic doses of morphine in rats.
D000700:Analgesics; D000818:Animals; D001007:Anxiety; D003214:Conditioning, Classical; D009020:Morphine / Q000494:pharmacology*; D010146:Pain; D051381:Rats; D012018:Reflex
D000700:Analgesics; D009020:Morphine
ANXIETY; MORPHINE/effects; REFLEX, CONDITIONED