(Q36380436)
Statements
A systematic review of reliability and objective criterion-related validity of physical activity questionnaires (English)
Hendrik J F Helmerhorst
Janet Warren
Herve Besson
Ulf Ekelund
31 August 2012
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19 September 2019
21 January 2021
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19 September 2019
21 January 2021
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19 September 2019
21 January 2021
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