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.
Daugaard I, Hansen TB.Daugaard I, et al.Trends Genet. 2017 Mar;33(3):208-219. doi: 10.1016/j.tig.2017.01.003. Epub 2017 Feb 4.Trends Genet. 2017.PMID: 28174021Review.