Relationship Between QRS Duration on ECG and LV Systolic Function by Echocardiography in Patients with STEMI. University Heart Journal, [S. l.], v. 15, n. 2, p. 54–59, 2019. DOI: 10.3329/uhj.v15i2.42647. Disponível em: https://www.banglajol.info/index.php/UHJ/article/view/42647. Acesso em: 1 jul. 2026.