Fouly, Mohamed, and Tarek Khairy. “The Performance of the Supra-Annular Top-Hat Aortic Valves Compared to the Standard Carbomedics Valves”. The Egyptian Cardiothoracic Surgeon 4, no. 3 (May 1, 2022): 46 - 50. Accessed March 28, 2024. https://journals.escts.net/ects/article/view/226.