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.
Vazquez-Sequeiros E, Wang L, Burgart L, Harmsen W, Zinsmeister A, Allen M, Jondal M, Wiersema M.Vazquez-Sequeiros E, et al.Gastroenterology. 2002 Jun;122(7):1815-21. doi: 10.1053/gast.2002.33665.Gastroenterology. 2002.PMID: 12055589
Ugurlu MM, Asoglu O, Potter DD, Barnes SA, Harmsen WS, Donohue JH.Ugurlu MM, et al. Among authors: harmsen ws.J Gastrointest Surg. 2005 Nov;9(8):1182-8. doi: 10.1016/j.gassur.2005.08.027.J Gastrointest Surg. 2005.PMID: 16269390