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.
Overgaard J, Eriksen JG, Nordsmark M, Alsner J, Horsman MR; Danish Head and Neck Cancer Study Group.Overgaard J, et al.Lancet Oncol. 2005 Oct;6(10):757-64. doi: 10.1016/S1470-2045(05)70292-8. Epub 2005 Aug 27.Lancet Oncol. 2005.PMID: 16198981Clinical Trial.