Badawy, A., M. Alaa Nady, M. Ahmed Khalil Salama Ayyad, and A. Elminshawy. “Video-Assisted Minimally Invasive Mitral Valve Surgery Versus Conventional Mitral Surgery in Rheumatic Patients”. The Egyptian Cardiothoracic Surgeon, Vol. 2, no. 3, July 2020, pp. 84 -89, doi:10.35810/ects.v1i1.113.