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.
Itai Y, Irie T.Itai Y, et al. Among authors: irie t.Radiology. 2001 Apr;219(1):298-300. doi: 10.1148/radiology.219.1.r01ap49298.Radiology. 2001.PMID: 11274577No abstract available.