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.
Bostan AC, Dum RP, Strick PL.Bostan AC, et al. Among authors: strick pl.Proc Natl Acad Sci U S A. 2010 May 4;107(18):8452-6. doi: 10.1073/pnas.1000496107. Epub 2010 Apr 19.Proc Natl Acad Sci U S A. 2010.PMID: 20404184Free PMC article.
Coffman KA, Dum RP, Strick PL.Coffman KA, et al. Among authors: strick pl.Proc Natl Acad Sci U S A. 2011 Sep 20;108(38):16068-73. doi: 10.1073/pnas.1107904108. Epub 2011 Sep 12.Proc Natl Acad Sci U S A. 2011.PMID: 21911381Free PMC article.