IMPACT OF DISTANCE LEARNING AND THE FULL RETURN TO IN-PERSON CLASSES ON THE MENTAL HEALTH OF THE PEDIATRIC POPULATION DURING THE COVID-19 PANDEMIC. [Internet]. SciELO Preprints. 2023 [citado 18º de maio de 2026]. Disponível em: https://preprints.scielo.org/index.php/scielo/preprint/view/6094