(Q50614456)
Statements
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 (English)
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Vatn MH
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Moum B
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Ekbom A
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Aadland E
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Fausa O
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Lygren I
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Sauar J
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Schulz T
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Stray N
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1 April 1996
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31
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4
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362-366
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