Pulcino, Achille, Chiara Sordelli, Gennaro Ismeno, Francesco Paolo Tritto, Paolo Golino, and Luigi Piazza. “A Case of Quadricuspid Aortic Valve Characterized by Echocardiography and Magnetic Resonance Imaging”. Monaldi Archives for Chest Disease 76, no. 3 (December 9, 2015). Accessed November 22, 2024. https://www.monaldi-archives.org/macd/article/view/186.