Cardiopulmonary Bypass impairs Left Ventricular Function determined by Conductance Catheter Measurement - Aybek, T; Kahn, M F; Dogan, S; Abdel-Rahman, U; Mierdl, S; Kessler, P; Wimmer-Greinecker, G; Moritz, A (The Thoracic and Cardiovascular Surgeon, 2003)