1. Non-surgical management of ectopic pregnancy associated with severe hyperstimulation syndrome;Choliner;Obstet Gynecol,1985
2. Spontaneous resolution of ectopic pregnancy;Fernandez;Obstet Gynecol,1988
3. The treatment of unruptured tubal pregnancy with intratubal methotrexate injections under laparoscopic control;Kojima;Obstet Gynecol,1990
4. Local prostaglandin F2 alpha injection for termination of ectopic pregnancy;Lindblom;Lancet,1987