Kour, S., and G. Kour. “A Comparative Study of Extra-Amniotic Instillation of Ethacridine With Tablet Dinoprostone (PGE2) in Second Trimester Abortion Versus Ethacridine Alone”. Nepal Journal of Obstetrics and Gynaecology, vol. 7, no. 1, Oct. 2013, pp. 25-27, https://nepjol.info./index.php/NJOG/article/view/8831.