7Huang GS,Gebb JS,Einstein MK,et al.Accuracy of preoperative endometrial sampling for the detection of high-grdae endometial tumors[J].Am J Obster Gynecol,2007,196:243.
9Sibai BM.Magnesium sulfate prophylaxis in preeclampsia:evidence from randomized trial[J].Clin Obstet Gynecol,2005,48(2):478-488.
10Maryland B.Report of the national high blood pressure education program working group on high blood pressure inpregnancy[J].Am J Obstet Gynecol,2000,183(1):1-22.
