Johannes Bergsten, Tomasz Baron, Eva-Maria Hedin, Nermin Hadziosmanovic, Andrei Malinovschi, Frank A. Flachskampf. "A prospective study on prognostic value of ventilatory efficiency in asymptomatic patients with severe primary mitral regurgitation." PLoS ONE, 2025. doi:10.1371/journal.pone.0326418