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.
Eckenroth BE, Steere AN, Chasteen ND, Everse SJ, Mason AB.Eckenroth BE, et al. Among authors: everse sj.Proc Natl Acad Sci U S A. 2011 Aug 9;108(32):13089-94. doi: 10.1073/pnas.1105786108. Epub 2011 Jul 25.Proc Natl Acad Sci U S A. 2011.PMID: 21788477Free PMC article.