Comment on

• A review and critique of the statistical methods used to generate reference values in pediatric echocardiography.

  Mawad W, Drolet C, Dahdah N, Dallaire F. Mawad W, et al. J Am Soc Echocardiogr. 2013 Jan;26(1):29-37. doi: 10.1016/j.echo.2012.09.021. Epub 2012 Nov 8. J Am Soc Echocardiogr. 2013. PMID: 23140845 Review.
• Current pediatric nomograms are only one source of error for quantification in pediatric echocardiography: what to expect from future research.

  Cantinotti M. Cantinotti M. J Am Soc Echocardiogr. 2013 Aug;26(8):919. doi: 10.1016/j.echo.2013.04.013. Epub 2013 May 15. J Am Soc Echocardiogr. 2013. PMID: 23683864 No abstract available.