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Hoff G, Grotmol T, Skovlund E, Bretthauer M; Norwegian Colorectal Cancer Prevention Study Group.Hoff G, et al.BMJ. 2009 May 29;338:b1846. doi: 10.1136/bmj.b1846.BMJ. 2009.PMID: 19483252Free PMC article.Clinical Trial.
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.
Hakama M, Hoff G, Kronborg O, Påhlman L.Hakama M, et al. Among authors: hoff g.Acta Oncol. 2005;44(5):425-39. doi: 10.1080/02841860510029969.Acta Oncol. 2005.PMID: 16118076Review.