SRINIVASAN, N.; CHANDRAMATHI, J.; PRABHU, A. S.; PONTHENKANDATH, S. Vitamin D deficiency and morbidity among preterm infants in a developing country. International Journal of Contemporary Pediatrics, [S. l.], v. 4, n. 2, p. 499–502, 2017. DOI: 10.18203/2349-3291.ijcp20170697. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/674. Acesso em: 26 mar. 2026.