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.
Boyd CA, Benarroch-Gampel J, Sheffield KM, Han Y, Kuo YF, Riall TS.Boyd CA, et al. Among authors: riall ts.Surgery. 2012 Sep;152(3):403-13. doi: 10.1016/j.surg.2012.06.010.Surgery. 2012.PMID: 22938900Free PMC article.