title: Postoperative analgesia by titration of papaveretum.
mesh_terms: D006801:Humans; D007044:Hysterectomy; D007275:Injections, Intravenous; D009892:Opium / Q000008:administration & dosage / Q000627:therapeutic use*; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D009892:Opium