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Computing travel time when the exact address is unknown: a comparison of point and polygon ZIP code approximation methods
BACKGROUND: Travel time is an important metric of geographic access to health care. We compared strategies of estimating travel times when only subject ZIP code data were available. RESULTS: Using simulated data from New Hampshire and Arizona, we estimated travel times to nearest cancer centers by u...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2683820/ https://www.ncbi.nlm.nih.gov/pubmed/19400969 http://dx.doi.org/10.1186/1476-072X-8-23 |