5Sheiner E,Sarid L,Levy A,et al.Obstetrics risk factors and outcome of pregnancies complicated with early postpartum hemorrhage:a population-based study[J].J Matern Fetal Neonatal Med,2005,18:149-154
6Subtil D,Somme A,Ardiet E,et al.Postpartum hemorrhage:frequency,consequences in terms of health status,and risk factors before delivery[J].J Gynecol Obstet Biol Reprod(Paris),2004,33:4S9-4S16
7Magann EF,Evans S,Hutchinson M,et al.Postpartum hemorrhage after cesarean delivery:an analysis of risk factors[J].South Med J,2005,98:681-685
8Aronsson A,Bygdema M,Gemzell-Danielsson K.Effects of misprostol on uterine contractility following different routes of administration[J].Hum Reprod,2004,19(1):81-84
