FONSECA, D.; GOMES, F.; BARROS, M.; BARBOSA, J.; ABELHA, F.; MOURÃO, J. PO 80 - ELDERLY FRAIL PATIENTS’ SURVIVAL AFTER ELECTIVE INTERMEDIATE AND HIGH-RISK SURGERY. Journal of the Portuguese Society of Anesthesiology, [S. l.], v. 30, n. 1, 2023. DOI: 10.25751/rspa.24398. Disponível em: https://revistas.rcaap.pt/anestesiologia/article/view/24398. Acesso em: 15 jan. 2025.