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.
Raymond DD, Piper ME, Gerrard SR, Smith JL.Raymond DD, et al. Among authors: gerrard sr.Proc Natl Acad Sci U S A. 2010 Jun 29;107(26):11769-74. doi: 10.1073/pnas.1001760107. Epub 2010 Jun 14.Proc Natl Acad Sci U S A. 2010.PMID: 20547879Free PMC article.
Raymond DD, Piper ME, Gerrard SR, Skiniotis G, Smith JL.Raymond DD, et al. Among authors: gerrard sr.Proc Natl Acad Sci U S A. 2012 Nov 20;109(47):19208-13. doi: 10.1073/pnas.1213553109. Epub 2012 Nov 5.Proc Natl Acad Sci U S A. 2012.PMID: 23129612Free PMC article.