Patil, S., K. Rana, S. Kakar, and A. Mittal. “Origin of Cystic Artery from Hepatic Artery Proper and Its Surgical Implications”. International Journal of Research in Medical Sciences, vol. 1, no. 1, Jan. 2017, pp. 16-18, https://www.msjonline.org/index.php/ijrms/article/view/2526.