AMIN, Muhammad; NAWAZ, Tariq; HUSSAIN, Sadam; NAYAB ALI, Syed Muhammad; HAYAT, Faisal Saleh. Early Metoprolol Administration before Primary Percutaneous Coronary Intervention (PCI) in ST-Segment Elevation Myocardial Infarction: Impact on Left Ventricular Ejection Fraction. Biological and Clinical Sciences Research Journal, Lahore, PK, v. 6, n. 6, p. 20–24, 2025. DOI: 10.54112/bcsrj.v6i6.1809. Disponível em: https://bcsrj.com/ojs/index.php/bcsrj/article/view/1809. Acesso em: 25 jun. 2026.