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.
Old O, Lloyd G, Isabelle M, Almond LM, Kendall C, Baxter K, Shepherd N, Shore A, Stone N, Barr H.Old O, et al. Among authors: barr h.J Gastroenterol. 2018 Feb;53(2):227-235. doi: 10.1007/s00535-017-1344-z. Epub 2017 May 13.J Gastroenterol. 2018.PMID: 28501919
Old O, Moayyedi P, Love S, Roberts C, Hapeshi J, Foy C, Stokes C, Briggs A, Jankowski J, Barr H; BOSS Trial Team.Old O, et al. Among authors: barr h.J Med Screen. 2015 Sep;22(3):158-64. doi: 10.1177/0969141315575052. Epub 2015 Mar 12.J Med Screen. 2015.PMID: 25767103Clinical Trial.