A study of serum sodium and potassium levels in normal term neonates. International Journal of Biomedical Research, [S. l.], v. 8, n. 5, p. 271–276, 2017. DOI: 10.7439/ijbr.v8i5.4156. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/4156. Acesso em: 29 mar. 2026.