ARZU, Jahan Ara et al. Study of Coronary Collaterals in Patients with Stable Angina. University Heart Journal, [S. l.], v. 6, n. 2, p. 61–64, 2011. DOI: 10.3329/uhj.v6i2.7245. Disponível em: https://www.banglajol.info/index.php/UHJ/article/view/7245. Acesso em: 22 sep. 2025.