Koshkelashvili, Nikoloz, Mauricio Jalife Bucay, Igor Goykhman, and Gregg S. Pressman. “Aortic Root and Valve Proportions: An Example of the Golden Ratio?”. Monaldi Archives for Chest Disease 89, no. 2 (July 15, 2019). Accessed March 29, 2024. https://www.monaldi-archives.org/macd/article/view/monaldi.2019.1022.