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.
Woodhouse EC, Fisher A, Bandle RW, Bryant-Greenwood B, Charboneau L, Petricoin EF 3rd, Liotta LA.Woodhouse EC, et al. Among authors: charboneau l.Proc Natl Acad Sci U S A. 2003 Sep 30;100(20):11463-8. doi: 10.1073/pnas.2031202100. Epub 2003 Sep 19.Proc Natl Acad Sci U S A. 2003.PMID: 14500904Free PMC article.