Morphine-induced hyperalgesia in rats tested on the hot plate.
D000704:Analysis of Variance; D000818:Animals; D006358:Hot Temperature; D006941:Hyperesthesia / Q000139:chemically induced* / Q000188:drug therapy; D008297:Male; D009020:Morphine / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology*; D051381:Rats; D013312:Stress, Physiological; D013997:Time Factors
D009020:Morphine; D009269:Nalorphine