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Tio RA, Slart RH, de Boer RA, van der Vleuten PA, de Jong RM, van Wijk LM, Willems T, Lubbers DD, Voors AA, van Veldhuisen DJ.Tio RA, et al.Neth Heart J. 2009 Dec;17(12):470-4. doi: 10.1007/BF03086306.Neth Heart J. 2009.PMID: 20087450Free PMC article.