1. Cost of ectopic pregnancy management: surgery versus methotrexate;Creinin;Fertil Steril,1993
2. Conservative laparoscopic treatment of 321 ectopic pregnancies;Pouly;Fertil Steril,1986
3. Laparoscopic salpingostomy for ectopic pregnancy;DeCherney;Obstet Gynecol,1987
4. A comparison of laparoscopy and laparotomy for the treatment of ectopic pregnancy;Brumsted;Obstet Gynecol,1988
5. Management of unruptured ectopic gestation by linear salpingostomy: a prospective randomized clinical trial of laparoscopy versus laparotomy;Vermesh;Obstet Gynecol,1989