Mortality of patients undergoing cardiac surgery. Research, Society and Development, [S. l.], v. 10, n. 5, p. e12110514610, 2021. DOI: 10.33448/rsd-v10i5.14610. Disponível em: https://rsdjournal.org/rsd/article/view/14610. Acesso em: 6 dec. 2025.