Singh, U. B., A. Mishra, and K. Bano. “Twin Reversed Arterial Perfusion Syndrome: A Rare But Critical Event of Twin Pregnancy”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 4, no. 1, Feb. 2017, pp. 289-91, https://www.ijrcog.org/index.php/ijrcog/article/view/1860.