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.
Hadziyannis SJ, Vassilopoulos D.Hadziyannis SJ, et al. Among authors: vassilopoulos d.Baillieres Best Pract Res Clin Gastroenterol. 2000 Apr;14(2):277-91. doi: 10.1053/bega.1999.0076.Baillieres Best Pract Res Clin Gastroenterol. 2000.PMID: 10890322Review.