NORTON, Maria; NORTON, Pedro; XARÁ, Daniela; PINA, Fátima. São João Hospital Assessement of Anesthetic Gases. Journal of the Portuguese Society of Anesthesiology, [S. l.], v. 24, n. 4, p. 94–97, 2015. DOI: 10.25751/rspa.6684. Disponível em: https://revistas.rcaap.pt/anestesiologia/article/view/6684. Acesso em: 4 oct. 2026.