ZHAO Yucang, WU Xulong, YANG Jingjing, LI Liubai. Screen time and associated factors among preschool children in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2019, 40(3): 344-346. doi: 10.16835/j.cnki.1000-9817.2019.03.008
Citation:
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ZHAO Yucang, WU Xulong, YANG Jingjing, LI Liubai. Screen time and associated factors among preschool children in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2019, 40(3): 344-346. doi: 10.16835/j.cnki.1000-9817.2019.03.008
|
ZHAO Yucang, WU Xulong, YANG Jingjing, LI Liubai. Screen time and associated factors among preschool children in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2019, 40(3): 344-346. doi: 10.16835/j.cnki.1000-9817.2019.03.008
Citation:
|
ZHAO Yucang, WU Xulong, YANG Jingjing, LI Liubai. Screen time and associated factors among preschool children in Beijing[J]. CHINESE JOURNAL OF SCHOOL HEALTH, 2019, 40(3): 344-346. doi: 10.16835/j.cnki.1000-9817.2019.03.008
|
Screen time and associated factors among preschool children in Beijing