El Din Elsharkawy, Ihab Mohamed Salah, Mohamed Abdalsalam Shaban, Hosam Fathy Ali Sayed, and Ahmed H. Lamloom. “Mitral Para-Valvular Leakage Following Usage of Non-Pledgeted Compared to Teflon-Pledgeted Sutures”. International journal of health sciences 6, no. S9 (September 26, 2022): 2589–2595. Accessed April 16, 2026. https://sciencescholar.us/journal/index.php/ijhs/article/view/12990.