Y. A. Shaheen, M. Ahmad El-Shafiey, M. G. Hebishy, and A. Sobhy Emara, “The outcomes of Skeletonized and Pedicled Internal Thoracic Artery in Patients undergoing coronary artery bypass grafting: a randomized clinical study”, Egypt. Cardiothoracic. Surg., vol. 2, no. 1, pp. 8 - 14, Jan. 2020.