3TA WITKWOSKI. Failure rate of epidural s for postop analgesia: acomparison of epidural along with continural spinal and epidural does success improve with expedience[J]. Anesthesiokigy, 1998,98: 1094.
4DJ CORRELL MD. Suuess of epidural cathetes placed for postoperative analgesia: comparison of a continural spinal and epidural tecnique vs. a standard epidural technique anesthesiology,1998, 98: 1095,.
5RORARIUS M, SOUMINEN P, HAAPAA M, et al. neurologic sequelae after caesarean section [J]. Acta Anaesthesiol Scand,2001, 45(1): 34-31.
7CHOI DH, KIM JA, CHUNG IS, et al. Comparison of combined spinal epidural anesthesia and epidural anesthesia for cesarean section[J]. Acta Ana Esthesiol Scand, 2000, 44(2): 214-219.
