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Validation evidence for the Netherlands physical activity questionnaire for young children: the Iowa bone development study |
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| Authors: | Janz Kathleen F Broffitt Barbara Levy Steven M |
| Institution: | Department of Health and Sports Studies, The University of Iowa, IA 52242, USA. kathleen-janz@uiowa.edu |
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| 本文献已被 PubMed 等数据库收录！ | |