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Robak O, Dudek M, Ladny JR, Szarpak L, Gilis-Malinowska N, Frass M.Robak O, et al. Among authors: ladny jr.Cardiol J. 2020;27(6):900-901. doi: 10.5603/CJ.2020.0175.Cardiol J. 2020.PMID: 33432570Free PMC article.No abstract available.