Amr, Mohamed, Elsayed Fayad, and Yasser Kamal. “Redo Mitral Valve Replacement for Initially Rheumatic Heart Disease: In-Hospital Outcomes and Operative Risk Prediction”. The Egyptian Cardiothoracic Surgeon 4, no. 2 (March 1, 2022): 31 - 38. Accessed May 3, 2024. https://journals.escts.net/ects/article/view/219.