title: Morphine enhancement of acetylcholine release from the brain in unanaesthetized cats.
mesh_terms: D000109:Acetylcholine / Q000378:metabolism*; D000818:Animals; D001921:Brain / Q000187:drug effects / Q000378:metabolism*; D002415:Cats; D002540:Cerebral Cortex / Q000187:drug effects / Q000378:metabolism; D002552:Cerebral Ventricles / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D009020:Morphine / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology; D013997:Time Factors
chemical_list: D009270:Naloxone; D009020:Morphine; D000109:Acetylcholine