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Buszman PP, Bochenek A, Konkolewska M, Trela B, Kiesz RS, Wilczyński M, Cisowski M, Krejca M, Banasiewicz-Szkróbka I, Krol M, Kondys M, Wiernek S, Orlik B, Martin JL, Tendera M, Buszman PE.Buszman PP, et al. Among authors: krejca m.J Invasive Cardiol. 2009 Nov;21(11):564-9.J Invasive Cardiol. 2009.PMID: 19901409Free article.
Durałek A, Szmagała P, Krejca M, Ulczok R, Bochenek A.Durałek A, et al. Among authors: krejca m.Pol Merkur Lekarski. 2004 Feb;16(92):162-5.Pol Merkur Lekarski. 2004.PMID: 15176302Polish.