Improving nutrition and physical activity policies in afterschool programs: results from a group-randomized controlled trial
改善课后活动中的营养和体育活动政策：一项群体随机对照试验的结果
期刊:Preventive Medicine
影响因子:3.2
doi:10.1016/j.ypmed.2014.06.011
Kenney, Erica L; Giles, Catherine M; deBlois, Madeleine E; Gortmaker, Steven L; Chinfatt, Sherene; Cradock, Angie L
