Role of serum magnesium in atrial fibrillation: A study from North Eastern India. International Journal of Biomedical and Advance Research, [S. l.], v. 9, n. 6, p. 212–214, 2018. DOI: 10.7439/ijbar.v9i6.4781. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4781. Acesso em: 11 mar. 2026.