title: Reduced tolerance to morphine thermoregulatory effects in senescent rats.
mesh_terms: D000375:Aging; D000818:Animals; D001833:Body Temperature Regulation / Q000187:drug effects*; D004343:Drug Implants; D004361:Drug Tolerance; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000008:administration & dosage; D051381:Rats
chemical_list: D004343:Drug Implants; D009270:Naloxone; D009020:Morphine