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.
Symmons O, Raj A.Symmons O, et al. Among authors: raj a.Mol Cell. 2016 Jun 2;62(5):788-802. doi: 10.1016/j.molcel.2016.05.023.Mol Cell. 2016.PMID: 27259209Free PMC article.Review.