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.
Girard N, Mornex F.Girard N, et al.Cancer Radiother. 2007 Jan-Feb;11(1-2):59-66. doi: 10.1016/j.canrad.2006.11.004. Epub 2007 Jan 2.Cancer Radiother. 2007.PMID: 17197220Review.French.