No abstract available
Publication types
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Multicenter Study
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Research Support, Non-U.S. Gov't
MeSH terms
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Biological Specimen Banks
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Cohort Studies
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Humans
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Inflammatory Bowel Diseases / epidemiology*
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Inflammatory Bowel Diseases / etiology
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Inflammatory Bowel Diseases / therapy
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Patient Dropouts / statistics & numerical data
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Patient Selection
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Risk Factors
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Switzerland / epidemiology