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.
Ojomo KA, Schneider DF, Reiher AE, Lai N, Schaefer S, Chen H, Sippel RS.Ojomo KA, et al. Among authors: chen h.J Am Coll Surg. 2013 Mar;216(3):454-60. doi: 10.1016/j.jamcollsurg.2012.12.002. Epub 2013 Jan 11.J Am Coll Surg. 2013.PMID: 23318118Free PMC article.
Murray SE, Schneider DF, Bauer PS, Sippel RS, Chen H.Murray SE, et al. Among authors: chen h.J Am Coll Surg. 2013 Jun;216(6):1174-80. doi: 10.1016/j.jamcollsurg.2013.02.007. Epub 2013 Mar 20.J Am Coll Surg. 2013.PMID: 23522438Free PMC article.