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Soslow JH, Kavanaugh-McHugh A, Wang L, Saurers DL, Kaushik N, Killen SA, Parra DA.Soslow JH, et al.J Am Soc Echocardiogr. 2013 Dec;26(12):1379-87. doi: 10.1016/j.echo.2013.08.016. Epub 2013 Sep 23.J Am Soc Echocardiogr. 2013.PMID: 24070640Free PMC article.