6[4]Jamnicki M, Zollinger A, Seifer B, et al. Compromised blood coagulstion: an in vitro comparison of hycldroxyethyl starch130/0.4 and hydroxyethyl starch 200/0.5 using thrombelastography[ J]. Anesth Analg, 1998,87:989.
7Langeron O,Doelberg M,Ang ET,et al.Voluven,a lower substitutednovel hydroxyethyl starch (HES 130/0.4),causes fewer effect on coagulation in major orthopedic surgery than HES 200/0.5 [J].AnesthAnalg,2001,92(6): 855-861.
8Takahasin R, Yamada K, Yoshiyama T, et al. Comparison of double-segment technique with single-space technique for cesarean section using combined spinal epidural anesthesial[ J]. Masui, 1999 ,48( 1 ) :57 - 61.
9Choi DH, Kim JA, Chung IS. Comparison of combined spinal epidural anesthesia and epidural anesthesia for cesarean section[J] .Acta Anaesthesiol Sc and,2000,44(2) :214- 219.
