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.
Johnson MT, Guidroz JA, Smith BJ, Graham MM, Scott-Conner CE, Sugg SL, Weigel RJ.Johnson MT, et al. Among authors: weigel rj.Surgery. 2009 Oct;146(4):671-6; discussion 676-7. doi: 10.1016/j.surg.2009.06.025.Surgery. 2009.PMID: 19789026