7[4]Mok.MB,Heidemann K,Dundas I,et al.Clark Interventional radiology in women with suspected placenta accreta undergoing caesarean section.International Journal of Obstetric Anesthesia,2008,17:255-261.
8[5]Kapoor DS,Tincello DG,Kingston RE.Life-threatening obstetric haemorrhage in second trimester from a placenta percreta with raised alpha-fetop rotein levels.J Obstet Gynecol,2003,23:570-571.
9[6]Gielchinsky Y,Rojansky N,Fasouliotis SJ,et al.Placenta accreta-summary of 10 years:a survey of 310 cases.Placenta,2002,23:210-214.
10[7]Placenta accreta.ACOG Committee Opinion No.266.American College of Obstetricians and Gynecologists.Int J Gynaecol Obstet,2002,77:77-79.