An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Lu X, Nadvoretskiy V, Bu L, Stolpen A, Ayres N, Pignatelli RH, Kovalchin JP, Grenier M, Klas B, Ge S.Lu X, et al.J Am Soc Echocardiogr. 2008 Jan;21(1):84-9. doi: 10.1016/j.echo.2007.05.009. Epub 2007 Jul 12.J Am Soc Echocardiogr. 2008.PMID: 17628408
Lu X, Nadvoretskiy V, Klas B, Bu L, Stolpen A, Ayres NA, Sahn DJ, Ge S.Lu X, et al.J Am Soc Echocardiogr. 2007 Aug;20(8):915-20. doi: 10.1016/j.echo.2007.01.025. Epub 2007 Jun 6.J Am Soc Echocardiogr. 2007.PMID: 17555931
Ge S, Bu L, Zhang H, Schelbert E, Disterhoft M, Li X, Li X, Sahn D, Stolpen A, Sonka M.Ge S, et al.J Am Soc Echocardiogr. 2005 Jan;18(1):1-7. doi: 10.1016/j.echo.2004.08.021.J Am Soc Echocardiogr. 2005.PMID: 15637481
Bu L, Munns S, Zhang H, Disterhoft M, Dixon M, Stolpen A, Sonka M, Scholz TD, Mahoney LT, Ge S.Bu L, et al.J Am Soc Echocardiogr. 2005 Apr;18(4):299-305. doi: 10.1016/j.echo.2004.11.002.J Am Soc Echocardiogr. 2005.PMID: 15846155