ABDELGAWAD, B.; SHAHIN , Y.; ABD-ELLATIF , A.; ABDELRAHMAN , M.; ALI , M.; EL SAYAD , A.; ELGAZZAR , M. The Preoperative Use of Levosimendan in Patients undergoing Coronary Artery Bypass Surgery with Low Ejection Fraction. The Egyptian Cardiothoracic Surgeon, v. 3, n. 4, p. 102 - 107, 1 Jul. 2021.