Patel, D. P., D. K. Shah, D. Desai, D. Ram, and D. Bhojak. “A Study Of Origin Of Sinuatrial Nodal Artery: A Study Of Origin Of Sinuatrial Nodal Artery”. National Journal of Integrated Research in Medicine, vol. 5, no. 1, Feb. 2014, pp. 87-90, http://nicpd.ac.in/ojs-/index.php/njirm/article/view/2286.