FONSECA, Diana; GOMES, Fátima; BARROS, Marisa; BARBOSA, Joselina; ABELHA, Fernando; MOURÃO, Joana. 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: 11 dec. 2025.