Long COVID in children and adolescents: results from three cross-sectional school-based cohorts with adjudication. Swiss Medical Weekly, [S. l.], v. 155, n. 10, p. 4337, 2025. DOI: 10.57187/s.4337. Disponível em: https://smw.ch/index.php/smw/article/view/4337. Acesso em: 23 oct. 2025.