1. A nearly fatal case of placenta percreta;Yordan;Am J Obstet Gynecol,1977
2. A study of placenta accreta;Irving;Surg Gynecol Obstet,1937
3. Placenta accreta, increta and percreta, a survey of 40 cases;Breen;Obstet Gynecol,1977
4. A clinical and pathologic study of placenta accreta;Millar;J Obstet Gynecol Br Emp,1959
5. Placenta previa percreta;Malkasain;Obstet Gynecol,1964