(Q30990208)
Statements
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Response rates and selection problems, with emphasis on mental health variables and DNA sampling, in large population-based, cross-sectional and longitudinal studies of adolescents in Norway (English)
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Espen Bjertness
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Kristian Green
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Lars Lien
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Anne Johanne Søgaard
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Randi Selmer
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12 October 2010
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12 October 2010
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Identifiers
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