Detter, C., Reichenspurner, H., Boehm, D.H., Thalhammer, M., Raptis, P., Schütz, A. and Reichart, B. 2002. 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, 2 (Jun. 2002), E157-E162.