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U.S. Children and Youth's Physical Activities Inside and Outside of School PE: 1985 vs. 2012

Xiaochen Zhao1, Weimo Zhu2, Zezhao Chen2

  • 1Department of Sports Science and Physical Education, Tsinghua University, Beijing 100084, China.

International Journal of Environmental Research and Public Health
|January 9, 2021
PubMed

Keywords:
activity rankingnational studiesphysical educationyouth sport

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