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.
Li Y, Sheth VR, Liu G, Pagel MD.Li Y, et al. Among authors: pagel md.Contrast Media Mol Imaging. 2011 Jul-Aug;6(4):219-28. doi: 10.1002/cmmi.421. Epub 2010 Nov 30.Contrast Media Mol Imaging. 2011.PMID: 21861282Free PMC article.