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The change of myopic prevalence in children and adolescents before and after COVID-19 pandemic in Suqian, China
- Hongyan Chen,
- Ya Liao,
- Wen Zhou,
- Lei Dong,
- Wei Wang,
- Xiaojuan Wang
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- Published: March 21, 2022
- https://doi.org/10.1371/journal.pone.0262166