Detter, Christian, Hermann Reichenspurner, Dieter H. Boehm, Michael Thalhammer, Panajotis Raptis, Albert Schütz, and Bruno Reichart. “Minimally Invasive Direct Coronary Artery Bypass Grafting (MIDCAB) and Off-Pump Coronary Artery Bypass Grafting (OPCAB): Two Techniques for Beating Heart Surgery”. The Heart Surgery Forum 5, no. 2 (June 1, 2002): E157-E162. Accessed November 21, 2024. https://journal.hsforum.com/index.php/HSF/article/view/6247.