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Messika-Zeitoun D, Meizels A, Cachier A, Scheuble A, Fondard O, Brochet E, Cormier B, Iung B, Vahanian A.Messika-Zeitoun D, et al.J Am Soc Echocardiogr. 2005 Dec;18(12):1409-14. doi: 10.1016/j.echo.2005.05.015.J Am Soc Echocardiogr. 2005.PMID: 16376775Clinical Trial.