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School playgrounds and physical activity policies as predictors of school and home time activity
BACKGROUND: Previous work has suggested that the number of permanent play facilities in school playgrounds and school-based policies on physical activity can influence physical activity in children. However, few comparable studies have used objective measures of physical activity or have had little...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3111342/ https://www.ncbi.nlm.nih.gov/pubmed/21521530 http://dx.doi.org/10.1186/1479-5868-8-38 |