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.
Licht CM, de Geus EJ, Zitman FG, Hoogendijk WJ, van Dyck R, Penninx BW.Licht CM, et al. Among authors: zitman fg.Arch Gen Psychiatry. 2008 Dec;65(12):1358-67. doi: 10.1001/archpsyc.65.12.1358.Arch Gen Psychiatry. 2008.PMID: 19047522