Relationship between QRS duration on ECG and Left Ventricular Systolic Function by Echocardiography in patients with Non-ST elevated Myocardial Infarction. Cardiovascular Journal, [S. l.], v. 15, n. 1, p. 36–41, 2022. DOI: 10.3329/cardio.v15i1.61908. Disponível em: https://banglajol.info/index.php/CARDIO/article/view/61908. Acesso em: 25 jun. 2026.