P. Lakra, V. Sangwan, S. Siwach, R. Kansal, R. Mahendru, and A. Sharma, “Outcome of gestational trophoblastic disease in a rural tertiary centre of Haryana, India”, Int J Reprod Contracept Obstet Gynecol, vol. 6, no. 1, pp. 271–275, Dec. 2016.