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.
Aadland E, Berstad A.Aadland E, et al. Among authors: berstad a.Scand J Gastroenterol. 1978;13(2):193-7. doi: 10.3109/00365527809181747.Scand J Gastroenterol. 1978.PMID: 345415
Berstad A, Aadland E, Bjerke K.Berstad A, et al.Scand J Gastroenterol. 1981;16(7):891-6. doi: 10.3109/00365528109181819.Scand J Gastroenterol. 1981.PMID: 7034163Clinical Trial.
Aadland E, Berstad A, Granerus G.Aadland E, et al. Among authors: berstad a.Scand J Gastroenterol. 1980;15(6):749-54. doi: 10.3109/00365528009181525.Scand J Gastroenterol. 1980.PMID: 6782649
Aadland E, Berstad A, Semb LS, Bjerke K.Aadland E, et al. Among authors: berstad a.Scand J Gastroenterol. 1978;13(6):679-84. doi: 10.3109/00365527809181781.Scand J Gastroenterol. 1978.PMID: 358367
Aadland E, Berstad A.Aadland E, et al. Among authors: berstad a.Scand J Gastroenterol. 1979;14(3):367-72. doi: 10.3109/00365527909179898.Scand J Gastroenterol. 1979.PMID: 375377
Guldvog I, Carlsen E, Berstad A.Guldvog I, et al. Among authors: berstad a.Scand J Gastroenterol. 1981;16(1):27-31.Scand J Gastroenterol. 1981.PMID: 6112789
Berstad A, Aadland E, Carlsen E, Myren J, Semb LS, Kruse-Jensen A.Berstad A, et al.Scand J Gastroenterol. 1979;14(7):827-31. doi: 10.3109/00365527909181411.Scand J Gastroenterol. 1979.PMID: 395629Clinical Trial.