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Article

Changes in Alienation in Physical Education Classes, School Happiness, and Future Healthy Life Expectancy After the COVID-19 Pandemic in Korean Adolescents

This version is not peer-reviewed.

Submitted:

15 September 2021

Posted:

16 September 2021

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Abstract
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Medicine and Pharmacology  -   Other
Copyright: This open access article is published under a Creative Commons CC BY 4.0 license, which permit the free download, distribution, and reuse, provided that the author and preprint are cited in any reuse.
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