Fakher, M.; Aboelghet, M.; Moharam, A.; Khaled, M.; Abdelaziz, A. The Role of Perioperative Levosimendan in Patients With Reduced Ejection Fraction Undergoing Cardiac Surgery in Reducing Post-Operative Hemodynamic Support. Open Access Maced J Med Sci 2022, 10, 1302-1307.