Katz, Marc R., and Johannes O. Bonatti. “Totally Endoscopic Coronary Artery Bypass Grafting on the Arrested Heart”. The Heart Surgery Forum 10, no. 4 (July 24, 2007): E338-E342. Accessed April 20, 2024. https://journal.hsforum.com/index.php/HSF/article/view/671.