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.
Ben-Josef E, Normolle D, Ensminger WD, Walker S, Tatro D, Ten Haken RK, Knol J, Dawson LA, Pan C, Lawrence TS.Ben-Josef E, et al. Among authors: walker s.J Clin Oncol. 2005 Dec 1;23(34):8739-47. doi: 10.1200/JCO.2005.01.5354.J Clin Oncol. 2005.PMID: 16314634Clinical Trial.