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Big Biking Payoff: Alternative Transportation Could Net Midwest over $8 Billion
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
National Institute of Environmental Health Sciences
2012
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3261965/ https://www.ncbi.nlm.nih.gov/pubmed/22214565 http://dx.doi.org/10.1289/ehp.120-a34b |