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.
Michalska J, Zauber H, Buchanan BB, Cejudo FJ, Geigenberger P.Michalska J, et al. Among authors: cejudo fj.Proc Natl Acad Sci U S A. 2009 Jun 16;106(24):9908-13. doi: 10.1073/pnas.0903559106. Epub 2009 May 22.Proc Natl Acad Sci U S A. 2009.PMID: 19470473Free PMC article.