Study on the correlation between electronic screen exposure time and hyperactivity index in infants
WU Jian-bo, YIN Xiao-na, WU Chuan-an, ZHANG Jing-yu, ZHANG Li-jun, JING Jin
journal1 . 2021, (1): 9 -12 .  DOI: 10.11852/zgetbjzz2020-0807


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