5Bretelle F, Courbiere B, Mazouni C, et al. Management of placenta accrete: morbidity and outcome [ J]. Eurp J Obstet Gynecol, 2007,133(1) : 34- 39.
6Gielchinsky Y, Rojansky N, Fasottliotis SJ, et al.Placenta accrete- summary of 10 years:a survey of 310 cases [J].Placen, 2002,28(2):210- 214.
7Sumigama S, hakura A, Ota T, et al.Placenta previa increta/percreta in Japan: aretrospective study of ultrasound findings, management and clinical course [J] .J Obstet Gynecol Res ,2007,33(5) :606 - 611.
