title: Epidural methadone for preoperative analgesia in patients with proximal femoral fractures.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000698:Analgesia / Q000379:methods*; D004824:Epidural Space; D005260:Female; D005265:Femoral Neck Fractures / Q000601:surgery*; D006801:Humans; D007268:Injections, Epidural; D008297:Male; D008691:Methadone / Q000008:administration & dosage; D008875:Middle Aged; D011292:Premedication / Q000379:methods*; D011446:Prospective Studies
chemical_list: D008691:Methadone