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.
Smith JO, Sterling RK.Smith JO, et al. Among authors: sterling rk.Curr Gastroenterol Rep. 2007 Mar;9(1):83-90. doi: 10.1007/s11894-008-0025-8.Curr Gastroenterol Rep. 2007.PMID: 17335682Review.