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Ding, Kele, Jingzhen Yang, Ming-Kai Chin, Lindsay Sullivan, J. Durstine, Veronica Violant-Holz, Giyasettin Demirhan, et al. 2021. “Physical Activity Among Adults Residing in 11 Countries During the COVID-19 Pandemic Lockdown”. International Journal of Environmental Research and Public Health. https://doi.org/10.3390/ijerph18137056.
Ding, Kele, et al. Physical Activity Among Adults Residing in 11 Countries During the COVID-19 Pandemic Lockdown. International Journal of Environmental Research and Public Health, July 2021, https://doi.org/10.3390/ijerph18137056.