2Meis PJ,Michieufutte R,Peters TJ,et al.Factors associated with preterm birth in Cardiff,Wafes.Ⅱ.Indicated and spontaneous preterm birth[J].Am J Obstet Gynecol,1995,173,597-602. 被引量:1
3Garite TJ,Rumney PJ,Briggs GG,et al.A randomized,placebo-controlled trial of betamethasone for the prevention of respireatory distresss syndrome[J].Am J Obstet Gynecol,1992,166:646-651. 被引量:1
4Robert W,John R,ALLbert,El,et al.Premature tupture of membrane,at 34 to 37 weeks gestateon:Aggressive versus conserveative management[J].Am J Obsted Gynecol,2000,181:218-221. 被引量:1
5Hall DR,Odendaal HJ,Steyn DW.Et al.Expectant management of early onset,severe pre-eclampsia:maternal outcome[J].BJOG,2000,107(10):1252-1257. 被引量:1
6Sibai BM,Mercer B,Sarinoglu C.Severe preeclampsia in the second trimester:recurrence risk and long-term prognosis[J].Am J Obstet Gynecol,1991,165(1):1408-1412. 被引量:1
7Denise M,Main MD.The epidemiology of preterm birth[J].Clin Obstet Gynecol,1998,31(3):521. 被引量:1
8Meis PJ, Michleufutte R, Peter TJ, et al. Factors associated with preterm birth in Cardiff, Wales. Ⅱ. Indicated and spontaneous preterm birth [ J]. Am J Obstet Gynecol, 1995, 173 (2) : 597 - 602. 被引量:1