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Hummel YM, Klip IT, de Jong RM, Pieper PG, van Veldhuisen DJ, Voors AA.Hummel YM, et al.Clin Res Cardiol. 2010 Jul;99(7):453-8. doi: 10.1007/s00392-010-0141-y. Epub 2010 Mar 10.Clin Res Cardiol. 2010.PMID: 20221616Free PMC article.