VYSOČANSKÝ, Samuel et al. Ranging from HFpEF through atrial fibrillation to severe secondary mitral regurgitation. Case report. In Cardiology letters. ISSN 1338-3655. Bratislava : Slovenská kardiologická spoločnosť SLS, 2021, 2021, vol. 30, no. 5-6, s. 294-295.