(Q31030641)
Statements
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Internet-based data inclusion in a population-based European collaborative follow-up study of inflammatory bowel disease patients: description of methods used and analysis of factors influencing response rates (English)
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Reinhold W Stockbrugger
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Frank L Wolters
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Colm O'Morain
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Maurice G Russel
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Gilbert van Zeijl
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Jildou Sijbrandij
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Frederik Wessels
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Charles Limonard
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Identifiers
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