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.
Bretthauer M, Jørgensen A, Kristiansen BE, Hofstad B, Hoff G.Bretthauer M, et al. Among authors: hoff g.BMC Gastroenterol. 2003 Jun 13;3:15. doi: 10.1186/1471-230X-3-15.BMC Gastroenterol. 2003.PMID: 12803654Free PMC article.
Bretthauer M, Hoff G, Severinsen H, Erga J, Sauar J, Huppertz-Hauss G.Bretthauer M, et al. Among authors: hoff g.Tidsskr Nor Laegeforen. 2004 May 20;124(10):1402-5.Tidsskr Nor Laegeforen. 2004.PMID: 15195182Free article.Norwegian.
Bretthauer M, Hoff G.Bretthauer M, et al. Among authors: hoff g.Tidsskr Nor Laegeforen. 2005 May 4;125(9):1150.Tidsskr Nor Laegeforen. 2005.PMID: 15880147Free article.Norwegian.No abstract available.