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.
Banerjee S, El-Omar E, Mowat A, Ardill JE, Park RH, Watson W, Beattie AD, McColl KE.Banerjee S, et al.Gastroenterology. 1996 Mar;110(3):717-24. doi: 10.1053/gast.1996.v110.pm8608880.Gastroenterology. 1996.PMID: 8608880
McColl KE, Gillen D, El-Omar E.McColl KE, et al.Baillieres Best Pract Res Clin Gastroenterol. 2000 Feb;14(1):13-26. doi: 10.1053/bega.1999.0056.Baillieres Best Pract Res Clin Gastroenterol. 2000.PMID: 10749086Review.