Hasan MS, Siraj M, Rahman H, Amin MN. Outcome of Coronary Artery Bypass Graft Surgery with Low Preoperative Ejection Fraction. Ibrahim card. med. j. [Internet]. 2013 Jan. 30 [cited 2024 Nov. 21];1(2):20-3. Available from: https://banglajol.info/index.php/ICMJ/article/view/13547