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Field validation of listings of food stores and commercial physical activity establishments from secondary data
BACKGROUND: Food- and activity-related establishments are increasingly viewed as neighbourhood resources that potentially condition health-related behaviour. The primary objective of the current study was to establish, using ground truthing (on-site verification), the validity of measures of availab...
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| Auteurs principaux: | , , , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
BioMed Central
2008
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2615441/ https://ncbi.nlm.nih.gov/pubmed/19000319 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1479-5868-5-58 |
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