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.
Jones EL, Wainwright TW, Foster JD, Smith JR, Middleton RG, Francis NK.Jones EL, et al. Among authors: middleton rg.Ann R Coll Surg Engl. 2014 Mar;96(2):89-94. doi: 10.1308/003588414X13824511649571.Ann R Coll Surg Engl. 2014.PMID: 24780662Free PMC article.Review.