Implantation of left ventricular epicardial leads in cardiosurgical patients with impaired cardiac function – a worthwhile procedure in cardiac surgery procedures? - Mellert, F; Schneider, C; Esmailzadeh, B; Haushofer, M; Schiller, W; Preusse, C; Welz, A (The Thoracic and Cardiovascular Surgeon, 2008)