Rivetti, L. A., and S. M. Gandra. “An Intraluminal Shunt for Off-Pump Coronary Artery Bypass Grafting. Report of 501 Consecutive Cases and Review of the Technique”. The Heart Surgery Forum, vol. 1, no. 1, June 1998, pp. E30-E36, https://journal.hsforum.com/index.php/HSF/article/view/6121.