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The contribution of active travel (walking and cycling) in children to overall physical activity levels: a national cross sectional study
Marilyn A. Roth, Christopher J. Millett, Jennifer S. MindellVolume:
54
Year:
2012
Language:
english
Pages:
6
DOI:
10.1016/j.ypmed.2011.12.004
File:
PDF, 182 KB
english, 2012