title: Epidural ketamine for postoperative pain relief.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007268:Injections, Epidural; D007649:Ketamine / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D010149:Postoperative Pain / Q000188:drug therapy*
chemical_list: D007649:Ketamine