Leukodepletion Improves Renal Function in Patients with Renal Dysfunction Undergoing On-Pump Coronary Bypass Surgery: A Prospective Randomized Study - Bolcal, C; Akay, H T; Bingol, H; Doganci, S; Yildirim, V; Yenicesu, M; Demirkilic, U; Tatar, H (The Thoracic and Cardiovascular Surgeon, 2007)