Natural and built environmental exposures on children's active school travel: A Dutch global positioning system-based cross-sectional study

Autor: Helbich, Marco, Emmichoven, Maarten J. Zeylmans van, Dijst, Martin J., Kwan, Mei-Po, Pierik, Frank H., Vries, Sanne I. de
Zdroj: In Health and Place May 2016 39:101-109
Databáze: ScienceDirect
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