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Preschoolers' screen time in China before and during COVID-19 lockdown: a parental survey.
Ping Li
Tian Wu
Fan Yang
Hong Luo
Decheng Jiang
Yi Mu
Tao Xiong
Published in:
BMJ paediatrics open (2023)
Preschoolers' total daily screen time significantly increased during lockdown.
Keyphrases
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high throughput
cross sectional
physical activity