Impaired left ventricular function as a predictive factor for mid-term survival in octogenarians after primary coronary artery bypass surgery. Swiss Medical Weekly, [S. l.], v. 142, n. 4546, p. w13704, 2012. DOI: 10.4414/smw.2012.13704. Disponível em: https://smw.ch/index.php/smw/article/view/1612. Acesso em: 1 nov. 2025.