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A multi-level examination of school programs, policies and resources associated with physical activity among elementary school youth in the PLAY-ON study
Scott T Leatherdale, Steve Manske, Guy Faulkner, Kelly Arbour, Chad BredinVolume:
7
Language:
english
DOI:
10.1186/1479-5868-7-6
Date:
December, 2010
File:
PDF, 339 KB
english, 2010