Comment on

• Comparability of Z-score equations of cardiac structures in hypoplastic left heart complex.

  den Dekker MH, Slieker MG, Blank AC, Haas F, Freund MW. den Dekker MH, et al. J Am Soc Echocardiogr. 2013 Nov;26(11):1314-21. doi: 10.1016/j.echo.2013.07.022. Epub 2013 Aug 22. J Am Soc Echocardiogr. 2013. PMID: 23973183
• Limitations of current nomograms in pediatric echocardiography: just the tip of the iceberg--a call for standardization.

  Cantinotti M, Assanta N, Crocetti M, Marotta M, Murzi B, Iervasi G. Cantinotti M, et al. J Am Soc Echocardiogr. 2014 Mar;27(3):339. doi: 10.1016/j.echo.2013.12.002. Epub 2014 Jan 14. J Am Soc Echocardiogr. 2014. PMID: 24438752 No abstract available.