RANITYA, R. Fragmented QRS (fQRS) in Acute Coronary Syndrome: Is It a More Potential Marker Than Predicted?. Acta Medica Indonesiana, [S. l.], v. 51, n. 1, p. 1, 2019. Disponível em: https://www.actamedindones.org/index.php/ijim/article/view/1153. Acesso em: 24 jun. 2026.