1. Placenta accreta—incidence, pathology and management;Polak,1924
2. Placenta accreta; report of a case with review of literature;Smith;South. Med.,1933
3. Placenta accreta, a review of the literature and the report of two personal cases;Phaneuf;Surg., Gynec. & Obst.,1933
4. Study of placenta accreta;Irving;Surg., Gynec. & Obst.,1937
5. Placenta accreta found at cesarean section;Mathieu;Am. J. Obst. & Gynec.,1937