A study of serum magnesium level in critically ill patients. International Journal of Biomedical and Advance Research, [S. l.], v. 8, n. 12, p. 446–449, 2017. DOI: 10.7439/ijbar.v8i12.4439. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4439. Acesso em: 13 mar. 2026.