Zapolanski, A., K. Korver, M. B. Pliam, L. Mengarelli, and R. Shaw. “Multiple Coronary Artery Bypass Via Mini Left Thoracotomy With Conventional Aortic Occlusion”. The Heart Surgery Forum, vol. 4, no. 2, June 2001, pp. E109-E112, https://journal.hsforum.com/index.php/HSF/article/view/6517.