Loganathan, S; Nieh, C C; Emmert, M Y; Woitek, F; Martinez, E C; Muecke, S; Lee, C N; Kofidis, T (2010). Off-pump versus on-pump coronary artery bypass procedures:postoperative renal complications in an Asian population. Annals, Academy of Medicine, Singapore (AAMS), 39(2):112-116.
Thomas, G N; Martinez, E C; Woitek, F; Emmert, M Y; Sakaguchi, H; Muecke, S; Lee, C N; Kofidis, T (2009). Off-pump coronary bypass grafting is safe and efficient in patients with left main disease and higher EuroScore. European Journal of Cardio-Thoracic Surgery, 36(4):616-620.