[Epidural opium alkaloid for post-operative pain relief (author's transl)].
D000328:Adult; D000368:Aged; D000698:Analgesia / Q000379:methods; D002763:Cholecystectomy; D004388:Dura Mater; D006801:Humans; D008875:Middle Aged; D009892:Opium / Q000008:administration & dosage* / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*
D009892:Opium