S. Kucukaksu, M. U. Ergenoglu, C. E. Yildiz, H. Yerebakan, M. M. Sayin, and M. Degertekin, “High-Risk Left Main Coronary Artery Bypass Surgery Supported by the Impella® Recover LP 2.5 Assist Device: An Alternative Insertion Technique”, HSF, vol. 12, no. 6, pp. E324-E326, Dec. 2009.