title: Postoperative pain relief; a new approach: narcotics compared with non-steroidal anti-inflammatory drugs.
mesh_terms: D004008:Diclofenac / Q000627:therapeutic use; D006801:Humans; D009892:Opium / Q000627:therapeutic use; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D004008:Diclofenac; D009892:Opium