MORPHINE AND NORMORPHINE IN THE BRAINS OF RATS GIVEN IDENTICALLY ANALGAESIC DOSES OF MORPHINE, CODEINE OR NORMORPHINE.
D000698:Analgesia; D001921:Brain; D003061:Codeine; D008660:Metabolism; D009020:Morphine; D009022:Morphine Derivatives; D059408:Pain Management; D010600:Pharmacology; D051381:Rats; D012106:Research
D009022:Morphine Derivatives; D009020:Morphine; D003061:Codeine; C010616:normorphine
ANALGESIA; BRAIN; CODEINE; EXPERIMENTAL LAB STUDY; METABOLISM; MORPHINE; PHARMACOLOGY; RATS