Comparative study on In-hospital Improvement of left Ventricular Ejection Fraction after PCI. University Heart Journal, [S. l.], v. 3, n. 2, p. 60–62, 2008. DOI: 10.3329/uhj.v3i2.792. Disponível em: https://www.banglajol.info/index.php/UHJ/article/view/792. Acesso em: 1 jul. 2026.