A. Farouk, N. Abdelhafez, G. A. Nassar, A. Mandour, M. Osman, and M. Abdelhafez, “Off versus On pump coronary artery bypass grafting; a single-center experience”, Egypt. Cardiothoracic. Surg., vol. 5, no. 6, pp. 98 - 102, Nov. 2023.