1. Placenta accreta, increta, and percreta: a survey of 40 cases;Breen;Obstet Gynecol,1977
2. Placenta previa/accreta and prior cesarean section;Clark;Obstet Gynecol,1985
3. Placenta accreta: prospective sonographic diagnosis in patients with placenta previa and prior cesarean section;Finberg;J Ultrasound Med,1992
4. Placenta accreta: a problem of increasing clinical significance;Weckstein;Obstet Gynecol,1987
5. Placenta previa percreta involving the urinary bladder: a report of two cases and review of the literature;Price;Obstet Gynecol,1991