Amr Mourad, F., M. Abdel Azim, A. Ibrahim Rezk, M. Gamal, and S. Mubarak. “Comparative Study Between Aortic Valve Replacement through Full Sternotomy Versus Mini-Sternotomy”. The Egyptian Cardiothoracic Surgeon, Vol. 3, no. 2, Mar. 2021, pp. 51 -56, https://journals.escts.net/ects/article/view/170.