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Kralev S, Zimmerer E, Brueckmann M, Lang S, Kälsch T, Rippert A, Lin J, Borggrefe M, Hammes HP, Süselbeck T.Kralev S, et al.Clin Chem Lab Med. 2009;47(4):446-51. doi: 10.1515/CCLM.2009.100.Clin Chem Lab Med. 2009.PMID: 19278364
Kralev S, Hennig O, Lang S, Kälsch T, Borggrefe M, Dempfle CE, Süselbeck T.Kralev S, et al.Cardiol J. 2010;17(6):580-6.Cardiol J. 2010.PMID: 21154260Free article.
Poerner TC, Kralev S, Voelker W, Sueselbeck T, Latsch A, Pfleger S, Schumacher B, Borggrefe M, Haase KK.Poerner TC, et al. Among authors: kralev s.Am Heart J. 2002 Apr;143(4):627-35. doi: 10.1067/mhj.2002.120411.Am Heart J. 2002.PMID: 11923799