PLACEBO REACTOR.
D000005:Abdomen; D000698:Analgesia; D006801:Humans; D009020:Morphine; D010146:Pain; D059408:Pain Management; D010919:Placebos; D011182:Postoperative Care; D013404:Suggestion; D013514:Surgical Procedures, Operative
D010919:Placebos; D009020:Morphine
ABDOMEN; ANALGESIA; MORPHINE; PLACEBOS; POSTOPERATIVE CARE; SUGGESTION; SURGERY, OPERATIVE