Effects of morphine tolerance and acetylcholine induced hypothermia in young, mature and senescent rats.
D000109:Acetylcholine / Q000494:pharmacology*; D000375:Aging; D000818:Animals; D001831:Body Temperature / Q000187:drug effects*; D004361:Drug Tolerance; D007276:Injections, Intraventricular; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D051381:Rats
D009020:Morphine; D000109:Acetylcholine