Trends in physical health complaints among adolescents from 2014 – 2019: Considering screen time, social media use, and physical activity
| Autor: | Nilsen, Sondre Aasen, Stormark, Kjell Morten, Heradstveit, Ove, Breivik, Kyrre |
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| Zdroj: | In SSM - Population Health June 2023 22 |
| Databáze: | ScienceDirect |
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