Determinants of physical activity and screen time trajectories in 7th to 9th grade adolescents—A longitudinal study

بواسطة Krist, L., Roll, S., Stroebele-Benschop, N., Rieckmann, N., Müller-Nordhorn, J., Bürger, C., Willich, S.N., Müller-Riemenschneider, F.
منشور في 2021