(Q37764844)
Statements
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Physical activity questionnaires for youth: a systematic review of measurement properties (English)
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Mai J M Chinapaw
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Lidwine B Mokkink
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Mireille N M van Poppel
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Willem van Mechelen
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Caroline B Terwee
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1 July 2010
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40
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7
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539-563
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Identifiers
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