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.
Bernell O, Lapidus A, Hellers G.Bernell O, et al. Among authors: hellers g.Dis Colon Rectum. 2001 May;44(5):647-54; discussion 654. doi: 10.1007/BF02234559.Dis Colon Rectum. 2001.PMID: 11357022
Lapidus A, Bernell O, Hellers G, Persson PG, Löfberg R.Lapidus A, et al. Among authors: hellers g.Gut. 1997 Oct;41(4):480-6. doi: 10.1136/gut.41.4.480.Gut. 1997.PMID: 9391246Free PMC article.
Lapidus A, Bernell O, Hellers G, Löfberg R.Lapidus A, et al. Among authors: hellers g.Gastroenterology. 1998 Jun;114(6):1151-60. doi: 10.1016/s0016-5085(98)70420-2.Gastroenterology. 1998.PMID: 9609751
Bernell O, Lapidus A, Hellers G.Bernell O, et al. Among authors: hellers g.Ann Surg. 2000 Jan;231(1):38-45. doi: 10.1097/00000658-200001000-00006.Ann Surg. 2000.PMID: 10636100Free PMC article.
Bernell O, Lapidus A, Hellers G.Bernell O, et al. Among authors: hellers g.Br J Surg. 2000 Dec;87(12):1697-701. doi: 10.1046/j.1365-2168.2000.01589.x.Br J Surg. 2000.PMID: 11122187
Monsén U, Bernell O, Johansson C, Hellers G.Monsén U, et al. Among authors: hellers g.Scand J Gastroenterol. 1991 Mar;26(3):302-6. doi: 10.3109/00365529109025046.Scand J Gastroenterol. 1991.PMID: 1853152