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.
D'Angelica M, Gonen M, Brennan MF, Turnbull AD, Bains M, Karpeh MS.D'Angelica M, et al. Among authors: brennan mf.Ann Surg. 2004 Nov;240(5):808-16. doi: 10.1097/01.sla.0000143245.28656.15.Ann Surg. 2004.PMID: 15492562Free PMC article.