(Q50551771)
Statements
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The incidence of ulcerative colitis in Northern Norway from 1983 to 1986. The Northern Norwegian Gastroenterology Society. (English)
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Kildebo S
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Nordgaard K
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Aronsen O
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Breckan R
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Burhol PG
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Jorde R
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1 September 1990
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25
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890-896
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9
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Identifiers
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