换一批State but not district nutrition policies are associated with less junk food in vending machines and school stores in US public schools.
关键词
AdolescentChildChild Nutritional Physiological PhenomenaCluster AnalysisCross-Sectional StudiesFemaleFood DispensersAutomatic/st [Standards]Automatic/sn [Statistics & Numerical Data]HumansLegislationFoodLocal GovernmentLogistic ModelsMaleNutrition PolicyNutritive ValueObesity/pc [Prevention & Control]SchoolsState GovernmentUnited States
发布时间
2013-11-20
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