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Modified ground-truthing: an accurate and cost-effective food environment validation method for town and rural areas
BACKGROUND: A major concern in food environment research is the lack of accuracy in commercial business listings of food stores, which are convenient and commonly used. Accuracy concerns may be particularly pronounced in rural areas. Ground-truthing or on-site verification has been deemed the necess...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2016
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4794836/ https://www.ncbi.nlm.nih.gov/pubmed/26988710 http://dx.doi.org/10.1186/s12966-016-0360-3 |