(Q33290636)
Statements
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The association between weekly hours of physical activity and mental health: a three-year follow-up study of 15-16-year-old students in the city of Oslo, Norway (English)
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Espen Bjertness
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Aase Sagatun
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Anne Johanne Søgaard
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Randi Selmer
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Sonja Heyerdahl
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12 July 2007
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155
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12 July 2007
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Identifiers
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