Autoren/innenverzeichnis |
Ludwig-Walz, H., Siemens, W., Heinisch, S., Dannheim, I., Loss, J. & Bujard, M. (2023). How the COVID-19 pandemic and related school closures reduce physical activity among children and adolescents in the WHO European Region: a systematic review and meta-analysis, International Journal of Behavioral Nutrition and Physical Activity 20, 2023(149). |
|