Postoperative analgesia.
D000701:Analgesics, Opioid / Q000008:administration & dosage* / Q000627:therapeutic use; D006801:Humans; D007275:Injections, Intravenous / Q000295:instrumentation*; D009892:Opium / Q000008:administration & dosage* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000628:therapy*
D000701:Analgesics, Opioid; D009892:Opium