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.
Keller M, Gerbes AL, Kulhanek-Heinze S, Gerwig T, Grutzner U, van Rooijen N, Vollmar AM, Kiemer AK.Keller M, et al. Among authors: kiemer ak.World J Gastroenterol. 2005 Dec 21;11(47):7418-29. doi: 10.3748/wjg.v11.i47.7418.World J Gastroenterol. 2005.PMID: 16437711Free PMC article.