M. S. Abdelmoneum, N. A. Elmeligy, E. A. Eldarky, and M. M. Mohamad, “Evaluation of the effect of coronary artery bypass grafting on the right ventricular function using speckle tracking echocardiography”, J Cardiol Cardiovasc Med, vol. 4, no. 3, pp. 236–241, Dec. 2019.