1. Advanced cervical pregnancy treated with actinomycin‐D
2. Cervico‐isthmic pregnancy carried to term;David M. P.;Obstet Gynecol,1980
3. Early cervical pregnancy: ultrasonic diagnosis and conservative treatment;Gitstein S.;Obstet Gynecol,1978
4. First trimester diagnosed cervico–isthmic pregnancy resulting in term delivery;Jelsema R. D.;Ohstet Gynecol,1992
5. Successful treatment of a live cervical pregnancy with methotrexate and folinic acid;Kaplan B. R.;J Reprod Men,1989