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.
Garcia-Ruiz A, Gagner M, Miller JH, Steiner CP, Hahn JF.Garcia-Ruiz A, et al.Arch Surg. 1998 Sep;133(9):957-61. doi: 10.1001/archsurg.133.9.957.Arch Surg. 1998.PMID: 9749847