Kassem, M.; Amr, M. A.; Elayouty, H.; Fayad, E. A. Keeping the Mitral Smile: Is It Durable? A Comparative Study of Mid-Term Outcomes of Mitral Valve Repair and Mechanical Mitral Valve Replacement in Rheumatic Heart Patients. Egypt. Cardiothoracic. Surg. 2024, 6, 61 - 66.