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Tokarz A, Kusnierz-Cabala B, Kuźniewski M, Gacoń J, Mazur-Laskowska M, Stępień EŁ.Tokarz A, et al. Among authors: gacon j.Kardiol Pol. 2016;74(8):786-792. doi: 10.5603/KP.a2016.0002. Epub 2016 Jan 18.Kardiol Pol. 2016.PMID: 26779851Free article.