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.
Wassum KM, Ostlund SB, Maidment NT.Wassum KM, et al.Biol Psychiatry. 2012 May 15;71(10):846-54. doi: 10.1016/j.biopsych.2011.12.019. Epub 2012 Feb 2.Biol Psychiatry. 2012.PMID: 22305286Free PMC article.