Journal of The American Society of Echocardiography Journal of The American Society of Echocardiography, Elsevier, 2010, 23 (10), pp.1019-24. ⟨10.1016/j.echo.2010.07.019⟩ Journal of The American Society of Echocardiography, 2010, 23 (10), pp.1019-24. ⟨10.1016/j.echo.2010.07.019⟩