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Shahin GM, van der Heijden GJ, Kelder JC, Boulaksil M, Knaepen PJ, Six AJ.Shahin GM, et al. Among authors: kelder jc.Med Sci Monit. 2006 Jul;12(7):CR308-14. Epub 2006 Jun 28.Med Sci Monit. 2006.PMID: 16810136
Jessurun ER, van Hemel NM, Kelder JC, Elbers S, de la Rivière AB, Defauw JJ, Ernst JM.Jessurun ER, et al. Among authors: kelder jc.Eur J Cardiothorac Surg. 2000 May;17(5):530-7. doi: 10.1016/s1010-7940(00)00399-7.Eur J Cardiothorac Surg. 2000.PMID: 10814915