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Journal
Scand J Gastroenterol
Volume
31
Issue
4
Pages
362-6
Publication year
1996
Suggested citation
Moum B, Vatn MH, Ekbom A, Aadland E, Fausa O, Lygren I, Sauar J, Schulz T, Stray N. Incidence of ulcerative colitis and indeterminate colitis in four counties of southeastern Norway, 1990-93. A prospective population-based study. The Inflammatory Bowel South-Eastern Norway (IBSEN) Study Group of Gastroenterologists. Scand J Gastroenterol. 1996; 31(4): 362-6.