Gogayeva О. К. Determination of comorbidity index for high-risk patients with coronary artery disease before cardiac surgery. Zaporozhye Medical Journal, [S. l.], v. 23, n. 4, p. 485–491, 2021. DOI: 10.14739/2310-1210.2021.4.233643. Disponível em: http://zmj.zsmu.edu.ua/article/view/233643. Acesso em: 3 jul. 2024.