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Roest AA, Kunz P, Helbing WA, Lamb HJ, Vliegen HW, van den Aardweg JG, Ruitenberg Q, de Roos A, van der Wall EE.Roest AA, et al. Among authors: helbing wa.Am J Cardiol. 2001 Nov 1;88(9):1011-7. doi: 10.1016/s0002-9149(01)01979-8.Am J Cardiol. 2001.PMID: 11703998
de Koning WB, van Osch-Gevers M, Ten Harkel AD, van Domburg RT, Spijkerboer AW, Utens EM, Bogers AJ, Helbing WA.de Koning WB, et al. Among authors: helbing wa.Eur J Pediatr. 2008 Sep;167(9):995-1004. doi: 10.1007/s00431-007-0626-5. Epub 2007 Nov 7.Eur J Pediatr. 2008.PMID: 17987315
Ten Harkel AD, Van Osch-Gevers M, Helbing WA.Ten Harkel AD, et al. Among authors: helbing wa.J Am Soc Echocardiogr. 2009 Aug;22(8):933-8. doi: 10.1016/j.echo.2009.04.024. Epub 2009 Jun 7.J Am Soc Echocardiogr. 2009.PMID: 19505791
Luijnenburg SE, de Koning WB, Romeih S, van den Berg J, Vliegen HW, Mulder BJ, Helbing WA.Luijnenburg SE, et al. Among authors: helbing wa.Int J Cardiol. 2012 Jul 26;158(3):359-63. doi: 10.1016/j.ijcard.2011.01.038. Epub 2011 Feb 12.Int J Cardiol. 2012.PMID: 22871643Free article.