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HARVARD Citation
Vanhelst, J. et al. (2017). Relationship between school rhythm and physical activity in adolescents: the HELENA study. Journal of sports sciences. 35 (16), pp. 1666-1673. [Online].
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Vanhelst, J. et al. (2017). Relationship between school rhythm and physical activity in adolescents: the HELENA study. Journal of sports sciences. 35 (16), pp. 1666-1673. [Online].