KCH, the German Preoperative Score for Isolated Coronary Artery Bypass Surgery: Is it Superior to the Logistic EuroSCORE? - Badreldin, A. M. A.; Kania, A.; Ismail, M. M. A.; Lehmann, T.; Gummert, J.; Doenst, T.; Hekmat, K. (The Thoracic and Cardiovascular Surgeon, 2011)