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.
Lemyze M, Bart F.Lemyze M, et al. Among authors: bart f.CMAJ. 2011 Feb 8;183(2):E133. doi: 10.1503/cmaj.092092. Epub 2010 Dec 13.CMAJ. 2011.PMID: 21149523Free PMC article.No abstract available.