DIAS-VAZ, Marta; TIAGO, Catarina; BARATA, Melanie; MARQUES, Ana; ROBERTO, Paulo. PO 81 - Opioid-Free Onco-Anesthesia - An alternative for frail patients. Journal of the Portuguese Society of Anesthesiology, [S. l.], v. 30, n. 1, 2023. DOI: 10.25751/rspa.24399. Disponível em: https://revistas.rcaap.pt/anestesiologia/article/view/24399. Acesso em: 4 oct. 2026.