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.
Norman SB, Lang AJ.Norman SB, et al. Among authors: lang aj.Depress Anxiety. 2005;21(4):154-60. doi: 10.1002/da.20076.Depress Anxiety. 2005.PMID: 16035054
Lang AJ, Norman SB, Means-Christensen A, Stein MB.Lang AJ, et al.Depress Anxiety. 2009;26(6):537-43. doi: 10.1002/da.20471.Depress Anxiety. 2009.PMID: 19016462
Wilkins KC, Lang AJ, Norman SB.Wilkins KC, et al. Among authors: lang aj.Depress Anxiety. 2011 Jul;28(7):596-606. doi: 10.1002/da.20837. Epub 2011 Jun 16.Depress Anxiety. 2011.PMID: 21681864Free PMC article.Review.