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Koopman HM, Vrijmoet-Wiersma CM, Langius JN, van den Heuvel F, Clur SA, Blank CA, Blom NA, ten Harkel AD.Koopman HM, et al. Among authors: ten harkel ad.Pediatr Cardiol. 2012 Apr;33(4):569-75. doi: 10.1007/s00246-012-0175-1.Pediatr Cardiol. 2012.PMID: 22314365Free PMC article.
Klitsie LM, Roest AA, van der Hulst AE, Stijnen T, Blom NA, Ten Harkel AD.Klitsie LM, et al. Among authors: ten harkel ad.J Am Soc Echocardiogr. 2013 Jun;26(6):629-39. doi: 10.1016/j.echo.2013.03.006. Epub 2013 Apr 17.J Am Soc Echocardiogr. 2013.PMID: 23602167