Friedrich, Guy J., Patricja Jonetzko, Nikos Bonaros, Thomas Schachner, Michael Danzmayr, Johannes Bonatti, G. Laufer, O. Pachinger, and Johannes Bonatti. “Hybrid Coronary Artery Revascularization: Logistics and Program Development”. The Heart Surgery Forum 8, no. 4 (July 7, 2005): E258-E261. Accessed December 5, 2020. https://journal.hsforum.com/index.php/HSF/article/view/317.