Crispino SP, Segreti A, La Porta Y, Liporace P, Carpenito M, Cammalleri V, Grigioni F. A sudden right-to-left shunt: the importance of evaluating patent foramen ovale during exercise. Monaldi Arch Chest Dis [Internet]. 2023 Mar. 7 [cited 2024 May 8];94(1). Available from: https://www.monaldi-archives.org/macd/article/view/2443