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Reference Ranges of Left Ventricular Strain Measures by Two-Dimensional Speckle-Tracking Echocardiography in Children: A Systematic Review and Meta-Analysis.
Levy PT, Machefsky A, Sanchez AA, Patel MD, Rogal S, Fowler S, Yaeger L, Hardi A, Holland MR, Hamvas A, Singh GK. Levy PT, et al. Among authors: machefsky a. J Am Soc Echocardiogr. 2016 Mar;29(3):209-225.e6. doi: 10.1016/j.echo.2015.11.016. Epub 2015 Dec 30. J Am Soc Echocardiogr. 2016. PMID: 26747685 Free PMC article. Review.