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.
Shao EH, Hayes EM, Khwaja HA, Efthimiou E.Shao EH, et al. Among authors: efthimiou e.BMJ Case Rep. 2011 Nov 8;2011:bcr0720114564. doi: 10.1136/bcr.07.2011.4564.BMJ Case Rep. 2011.PMID: 22674102Free PMC article.