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 der Geize R, Yam K, Heuser T, Wilbrink MH, Hara H, Anderton MC, Sim E, Dijkhuizen L, Davies JE, Mohn WW, Eltis LD.Van der Geize R, et al. Among authors: eltis ld.Proc Natl Acad Sci U S A. 2007 Feb 6;104(6):1947-52. doi: 10.1073/pnas.0605728104. Epub 2007 Jan 30.Proc Natl Acad Sci U S A. 2007.PMID: 17264217Free PMC article.