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pro vyhledávání: '"Lindsey C. McDermid"'
Autor:
Linda Schneider, James F. Sallis, Jordan A. Carlson, Peggy Agron, Jamie F. Chriqui, Lindsey C. McDermid
Publikováno v:
Journal of School Health. 83:150-156
BACKGROUND School policies can change practices on a relatively permanent basis. This study investigated adoption and implementation of state-level policies specifying minutes (or percent) of physical activity in physical education (PE) or during sch