Effect of Coronary Collateral Circulation on Preoperative and Postoperative QT Dispersion in Patients Undergoing Coronary Artery Bypass Grafting. . Annals of Medical Research, [S. l.], v. 14, n. 1, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/3149. Acesso em: 13 mar. 2025.