title: RESPONSE OF THE ISOLATED INTESTINE OF NORMAL AND MORPHINE-TOLERANT RATS TO MORPHINE AND NALORPHINE.
mesh_terms: D004361:Drug Tolerance; D007421:Intestine, Small; D007422:Intestines; D009020:Morphine; D009021:Morphine Dependence; D009120:Muscle Cramp; D009269:Nalorphine; D010600:Pharmacology; D051381:Rats; D012106:Research
chemical_list: D009020:Morphine; D009269:Nalorphine
keywords: DRUG TOLERANCE; EXPERIMENTAL LAB STUDY; INTESTINE, SMALL; MORPHINE; MORPHINE ADDICTION; MUSCLE CRAMP; NALORPHINE; PHARMACOLOGY; RATS