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.
Liger-Belair G, Cilindre C, Gougeon RD, Lucio M, Gebefügi I, Jeandet P, Schmitt-Kopplin P.Liger-Belair G, et al.Proc Natl Acad Sci U S A. 2009 Sep 29;106(39):16545-9. doi: 10.1073/pnas.0906483106. Epub 2009 Sep 28.Proc Natl Acad Sci U S A. 2009.PMID: 19805335Free PMC article.