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.
Clark D 3rd, Ahmed MI, Sungur A, Kemaloğluöz T, Mehta KJ, Diddi HP, Tandon R, Reddy VV, Nanda NC, McGiffin DC.Clark D 3rd, et al. Among authors: nanda nc.Echocardiography. 2013 Jul;30(6):719-22. doi: 10.1111/echo.12243. Epub 2013 May 11.Echocardiography. 2013.PMID: 23662919
Fan P, Nanda NC, Cooper JW, Cape E, Yoganathan A.Fan P, et al. Among authors: nanda nc.Echocardiography. 1990 Nov;7(6):763-9. doi: 10.1111/j.1540-8175.1990.tb00428.x.Echocardiography. 1990.PMID: 10149218