Association between neighborhood walkability and GPS-measured walking, bicycling and vehicle time in adolescents
| Autor: | Carlson, Jordan A., Saelens, Brian E., Kerr, Jacqueline, Schipperijn, Jasper, Conway, Terry L., Frank, Lawrence D., Chapman, Jim E., Glanz, Karen, Cain, Kelli L., Sallis, James F. |
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| Zdroj: | In Health and Place March 2015 32:1-7 |
| Databáze: | ScienceDirect |
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