R. P. Ganguly, S. Mukhopadhyay, S. K. Burman, K. K. Patra, T. Jha, and J. Mukherji, “A Randomized Trial of Misoprostol Compared with Manual Vacuum Aspiration for Early Pregnancy Failure”, Nepal J Obstet Gynaecol, vol. 5, no. 2, pp. 8–13, Jul. 2011.