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.
Park Y, Hirose R, Dang K, Xu F, Behrends M, Tan V, Roberts JP, Niemann CU.Park Y, et al. Among authors: xu f.Surgery. 2008 Feb;143(2):243-51. doi: 10.1016/j.surg.2007.07.041. Epub 2007 Dec 27.Surgery. 2008.PMID: 18242341
Wong E, Xu F, Joffre J, Nguyen N, Wilhelmsen K, Hellman J.Wong E, et al. Among authors: xu f.Shock. 2021 Mar 1;55(3):349-356. doi: 10.1097/SHK.0000000000001639.Shock. 2021.PMID: 32826812Free PMC article.