41
42
43
44
45
46
47
48
49
van der Velden, P.G., van Bakel, Hedwig, Das, Marcel
Veröffentlicht in: van der Velden , P G , van Bakel , H & Das , M 2022 , ' Mental health problems among Dutch adolescents of the general population before and 9 months after the COVID-19 outbreak: A longitudinal cohort study ' , Psychiatry Research , vol. 311 , 114528 . https://doi.org/10.1016/j.psychres.2022.114528;
2022
Veröffentlicht in: van der Velden , P G , van Bakel , H & Das , M 2022 , ' Mental health problems among Dutch adolescents of the general population before and 9 months after the COVID-19 outbreak: A longitudinal cohort study ' , Psychiatry Research , vol. 311 , 114528 . https://doi.org/10.1016/j.psychres.2022.114528;
2022
50