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.
Morgensztern D, Govindan R.Morgensztern D, et al. Among authors: govindan r.Clin Cancer Res. 2007 Aug 1;13(15 Pt 2):s4602-5. doi: 10.1158/1078-0432.CCR-07-0545.Clin Cancer Res. 2007.PMID: 17671149Review.