Association between screen viewing time and study time of physical fitness: A cross-sectional study among second-year high school students of the Pacific side in the Tohoku region after The Great East Japan Earthquake disaster
2015 ◽
Vol 64
(3)
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pp. 323-332
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2020 ◽
Vol 34
(3)
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pp. 164-168
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2020 ◽
Vol 17
(2)
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pp. 571
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