Pandey, D., Nagar, T., Sharma, S., & Salhan, S. (2017). A rare case of fourth consecutive fallopian tube ectopic pregnancy. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, 4(2), 490–492. Retrieved from https://www.ijrcog.org/index.php/ijrcog/article/view/1928