Elementary school physical activity opportunities and physical fitness of students: A statewide cross-sectional study of schools.

Autor: Cheung, Patricia C.1 pccheun@emory.edu, Franks, Padra A.2, Kramer, Michael R.1, Kay, Christi M.2, Drews-Botsch, Carolyn D.1, Welsh, Jean A.1,3, Gazmararian, Julie A.1
Zdroj: PLoS ONE. 1/15/2019, Vol. 14 Issue 1, p1-12. 12p.
Databáze: Academic Search Ultimate
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