(Q39459071)
Statements
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Response rate to mailed epidemiologic questionnaires: a population-based randomized trial of variations in design and mailing routines (English)
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Adami HO
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Eaker S
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Bergström R
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Bergström A
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Nyren O
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1 January 1998
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147
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1
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74-82
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Identifiers
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