Postoperative analgesia in orthopaedic surgery.
D000328:Adult; D004824:Epidural Space; D005260:Female; D006801:Humans; D007267:Injections; D008297:Male; D009020:Morphine / Q000008:administration & dosage*; D010149:Postoperative Pain / Q000188:drug therapy*
D009020:Morphine