Serum vitamin D levels in children and adolescents with asthma. Research, Society and Development, [S. l.], v. 9, n. 1, p. e31911495, 2020. DOI: 10.33448/rsd-v9i1.1495. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/1495. Acesso em: 29 jun. 2025.