title: The influence of stress on tolerance development to morphine in rats tested on the hot plate.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D004361:Drug Tolerance; D006358:Hot Temperature; D006801:Humans; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013312:Stress, Physiological / Q000503:physiopathology*; D013315:Stress, Psychological; D013550:Swimming
chemical_list: D009020:Morphine