A study of postoperative pain.
D003916:Dextromoramide; D006801:Humans; D004091:Hydromorphone; D009020:Morphine; D010146:Pain; D010149:Postoperative Pain; D010620:Phenazocine; D011182:Postoperative Care
D009020:Morphine; D003916:Dextromoramide; D010620:Phenazocine; D004091:Hydromorphone
DEXTROMORAMIDE; DIHYDROMORPHINONE; MORPHINE; PAIN; PHENAZOCINE; POSTOPERATIVE CARE