RAI, S.; DAS, S.; NARAYAN, S. Study of correlation between maternal and cord blood vitamin D3 levels. International Journal of Contemporary Pediatrics, [S. l.], v. 7, n. 1, p. 20–23, 2019. DOI: 10.18203/2349-3291.ijcp20195162. Disponível em: https://www.ijpediatrics.com/index.php/ijcp/article/view/2979. Acesso em: 12 feb. 2026.