北京市初中生负性情绪流行现况及与身体活动关系
马宁, 张京舒, 吕若然, 段佳丽, 闫晓晋, 刘云飞, 宋逸
Prevalence of negative affect and its association with physical activity among junior high school students in Beijing
MA Ning, ZHANG Jing-shu, LYU Ruo-ran, DUAN Jia-li, YAN Xiao-jin, LIU Yun-fei, SONG Yi
中国儿童保健杂志
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2021, (4): 367
-371
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DOI: 10.11852/zgetbjzz2020-1718
