1Sibai BM, Akl S, Fairlie F, et al. A protocol for managing severe preeclampsia in the second trimester[J]. Am J Obstet Gynecol,1990 , 163 ( 3 ) :733-738.
2Pattinson RC, Odendaal HJ, du Toit R. Conservative management of severe proteinuric hypertension before 28 weeks'gestation[J]. S Afr Med J, 1988 , 73(9) 1516-518.
3Moodley J, Koranteng SA, Rout C. Expectant management of early onset of severe pre-eclampsia in Durban[J]. S Afr Med J,1993 ,83(8) :584-587.
4Hall DR, Odendaal HJ, Steyn DW. Expectant management of severe pre-eclampsia in the mid-trimester[J]. Eur J Obstet Gynecol Reprod Biol, 2001 ,96(2) :168-172.
5Frias AE, Belfort MA. Post Magpie: how should we be managing severe preeclampsia? [J]. Curt Opin Obstet Gynecol, 2003,15 :489-495.
6Hall DR, Odendaal HJ, Kirsten GF, et al. Expectant management of early onset, severe pre-eclampsia: perinatal outcome[J]. BJOG.2000 .107(10) :1258-1264.
7Hall DR. Early, severe preeclampsia and delivery at 34 weeks' gestation or earlier[ J]. Obstet Gynecol , 2005,88:57-58.
8Alexander JM, Bloom SL, Mclntire DD, et al. Severe preeclampsia and the very low birth weight infant: is induction of labor harmful? [J]. Obstet Gynecol. 1999 ,93(4) :485-488.
9Hall DR. Odendaal H J, Steyn DW. Delivery of patients with early onset, severe pre-eclampsia [J]. Int J Gynaecol Obstet,2001 ,74(2) : 143-150.
10Malloy MH, Rhoads GG, Schramm W. et al. Increasing cesarean section rates in very low-birth weight infants:effect on outcome[ J]. JAMA, 1989.262( 11 ) :1475-1478.