Effect of Different Operative Techniques for Myocardial Revascularisation on Hemodynamics and Myocardial Perfusion in a Porcine Model - Bierbach, B; Kasper-König, W; Haist, T; Meier, M; Pritzer, H; Hanenkamp, U; Horstick, G; Kempski, O; Oelert, H (The Thoracic and Cardiovascular Surgeon, 2005)