title: ACETYLCHOLINE IN THE BRAIN OF MORPHINE TOLERANT AND NON-TOLERANT RATS.
mesh_terms: D000109:Acetylcholine; D001921:Brain; D001923:Brain Chemistry; D004361:Drug Tolerance; D009020:Morphine; D051381:Rats; D012106:Research
chemical_list: D009020:Morphine; D000109:Acetylcholine
keywords: ACETYLCHOLINE; BRAIN CHEMISTRY; DRUG TOLERANCE; EXPERIMENTAL LAB STUDY; MORPHINE; RATS