1. Treatment of interstitial ectopic pregnancy with methotrexate: report of a successful case;Tanaka;Fertil Steril,1982
2. Non-surgical therapy of ectopic pregnancy;Miyazaki;Hokkaido Igaku Zasshi,1983
3. Nonsurgical management of ectopic pregnancy associated with severe hyperstimulation syndrome;Chotiner;Obstet Gynecol,1985
4. Responses in patients with ectopic pregnancy treated with methotrexate (Abstr);Ory,1986
5. A method for screening for ectopic pregnancy and its indications;Kadar;Obstet Gynecol,1981