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.
van Gorkom BA, Timmer-Bosscha H, de Jong S, van der Kolk DM, Kleibeuker JH, de Vries EG.van Gorkom BA, et al.Br J Cancer. 2002 May 6;86(9):1494-500. doi: 10.1038/sj.bjc.6600255.Br J Cancer. 2002.PMID: 11986786Free PMC article.