(Q39993683)
Statements
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The GABRIEL Advanced Surveys: study design, participation and evaluation of bias (English)
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Charlotte Braun-Fahrländer
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Dick Heederik
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Andrzej Boznanski
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Anna Debinska
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Gisela Büchele
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Marco Waser
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Katalin Kovacs
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Christine Strunz-Lehner
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Elisabeth Horak
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Paul Cullinan
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GABRIELA Study Group
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28 July 2011
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25
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5
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436-447
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Identifiers
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