PATIL, P.; ALSALLOUM, D.; S., R. Vitamin D status of children with recurrent lower respiratory tract infection: a comparative observational study. International Journal of Contemporary Pediatrics, [S. l.], v. 12, n. 7, p. 1049–1053, 2025. DOI: 10.18203/2349-3291.ijcp20251853. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/6750. Acesso em: 6 nov. 2025.