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School Physical Activity Environment Related to Student Obesity and Activity: A National Study of Schools and Students
O’Malley, Patrick M
;
Johnston, Lloyd D
;
Terry-McElrath, Yvonne M
; Delva, Jorge. (2009).
School Physical Activity Environment Related to Student Obesity and Activity: A National Study of Schools and Students
. Journal of adolescent health. 45(3, Supp), S71.