1. Report of a case of retained placenta, clinically placenta accreta;Andrews;Jour. Am. Med. Assn.,1924
2. Placenta accreta; a review of the literature and the report of two personal cases;Phaneuf;Surg. Gynec. Obst.,1933
3. Placenta accreta; its incidence, pathology and management;Polak;Surg., Gynec. Obst.,1924
4. Placenta accreta; report of a case;Tennant;Colorado Med.,1925
5. A case of placenta accreta;Tiemeyer;Am. J. Obst., Gynec.,1931