title: Alterations in morphine-induced analgesia in mice exposed to pain, light or sound.
mesh_terms: D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D002250:Carbon Radioisotopes; D005260:Female; D006358:Hot Temperature; D008027:Light; D008297:Male; D051379:Mice; D009020:Morphine / Q000378:metabolism / Q000494:pharmacology*; D010146:Pain / Q000378:metabolism*; D013016:Sound; D013997:Time Factors
chemical_list: D000700:Analgesics; D002250:Carbon Radioisotopes; D009020:Morphine