Contrast-induced acute kidney injury in patients with renal dysfunction undergoing a coronary procedure and receiving non-ionic low-osmolar versus iso-osmolar contrast media - Alexopoulos, Elias; Spargias, Konstantinos; Kyrzopoulos, Stamatis; Manginas, Athanassios; Pavlides, Gregory; Voudris, Vassilis; Cokkinos, Dennis V; Lerakis, Stamatios; Mclean, Dalton S (The American journal of the medical sciences, 2010)