Epidural buprenorphine.
D000767:Anesthesia, Epidural / Q000379:methods*; D002047:Buprenorphine / Q000009:adverse effects; D006801:Humans; D009019:Morphinans / Q000009:adverse effects; D010149:Postoperative Pain / Q000188:drug therapy*
D009019:Morphinans; D002047:Buprenorphine