Peters Sanne A E, den Ruijter Hester M, Bots Michiel L
Julius Center for Health Sciences and Primary Care and University Medical Center Utrecht, Utrecht, The Netherlands.
J Am Soc Echocardiogr. 2012 Oct;25(10):1135-7. doi: 10.1016/j.echo.2012.08.003. Epub 2012 Sep 2.
