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.
O'Donnell M, Silove D, Wakefield D.O'Donnell M, et al.Aust N Z J Psychiatry. 1988 Dec;22(4):366-82. doi: 10.3109/00048678809161345.Aust N Z J Psychiatry. 1988.PMID: 3071320Review.