ROMANO RIBEIRO, C. The black valve behind a misleading value of cerebral tissue oxygen saturation: The Black Valve. Journal of the Portuguese Society of Anesthesiology, [S. l.], v. 30, n. 2, 2021. DOI: 10.25751/rspa.22137. Disponível em: https://revistas.rcaap.pt/anestesiologia/article/view/22137. Acesso em: 27 aug. 2024.