Management of postoperative pain after abdominal surgery.
D000005:Abdomen / Q000601:surgery*; D000700:Analgesics / Q000008:administration & dosage; D000701:Analgesics, Opioid / Q000008:administration & dosage; D000777:Anesthetics / Q000008:administration & dosage; D006801:Humans; D010149:Postoperative Pain / Q000188:drug therapy*
D000700:Analgesics; D000701:Analgesics, Opioid; D000777:Anesthetics