Development and psychometric properties of the Y-PASS questionnaire to assess correlates of lunchtime and after-school physical activity in children
| Main Authors: | , , , |
|---|---|
| Format: | Online |
| Language: | English |
| Published: |
BioMed Central
2014
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4041362/ |