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.
Ortiz H, Armendariz P, Kreisler E, Garcia-Granero E, Espin-Basany E, Roig JV, Martín A, Parajo A, Valero G, Martínez M, Biondo S.Ortiz H, et al.Arch Surg. 2012 Jul;147(7):614-20. doi: 10.1001/archsurg.2012.150.Arch Surg. 2012.PMID: 22430092Clinical Trial.