1. Persistent ectopic syndrome: A case report and literature review;Bell;Obstet Gynecol,1987
2. Treatment of ectopic pregnancy by means of laparoscopy;Bruhat;Fertil Steril,1980
3. A comparison of laparoscopy and laparotomy for the treatment of ectopic pregnancy;Brumsted;Obstet Gynecol,1988
4. The histopathology of the developing tubal ectopic pregnancy;Budowick;Fertil Steril,1980
5. Persistent ectopic syndrome;Cairns;Can J Surg,1989