2[2]Kajikawa S,Suzuki M,Yokoi M.Preoprative complications and intraoperative hemodynamic changes in very old patients with femoral neck fractures[J].Masui,2000,12(49):995~999.
3Enk D, Prien T, Van Aken H,et aJ. Success rate of unilateral spinal anes-thesia is dependent on injection flow. Reg Anesth Pain Med, 2001,26 :.
9Saied NN, Helwani M. Successful lumbar epidural catheter placement through a lower back lipoma [J]. Saudi J Anaesth. 2013, 7(1): 83-85.
10Bilir A. Single dose epidural morphine in- stead of patient-controlled epidural anal- gesia in the second day of cesarean sec- tion; an easy method for the pain relief of a new mother [J]. Clin Exp Obstet Gy- necol, 2013, 40(1): 118-121.