Fonseca, D., Gomes, F., Barros, M., Barbosa, J., Abelha, F., & Mourão, J. (2023). PO 80 - ELDERLY FRAIL PATIENTS’ SURVIVAL AFTER ELECTIVE INTERMEDIATE AND HIGH-RISK SURGERY. Journal of the Portuguese Society of Anesthesiology, 30(1). https://doi.org/10.25751/rspa.24398