ULLERITHODY, K. R.; IYER, R. H.; SUBHARAMAN, K. R. Vitamin D deficiency in children with asthma. International Journal of Contemporary Pediatrics, [S. l.], v. 7, n. 10, p. 2030–2036, 2020. DOI: 10.18203/2349-3291.ijcp20204048. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/3615. Acesso em: 25 oct. 2025.