(Q37764846)
Statements
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Self-administered physical activity questionnaires for the elderly: 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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Lisa Forsén
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Nina Waaler Loland
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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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Identifiers
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