Laul, Poonam, Pinkee Saxena, Vijay K. Kadam, and Urvashi Miglani. 2017. “Two Interesting Cases of Gestational Trophoblastic Disease With Methotrexate Failure”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology 5 (9):3251-53. https://doi.org/10.18203/2320-1770.ijrcog20163027.