FREITAS AMORIM, Ana Isabel; ROCHA MELO, Jorge; BETTENCOURT ABREU , João; ALVES CALDEIRA , Marta Filipa. Pulsed Radiofrequency of Genicular Nerves Guided by Ultrasound: Three Different Cases: Pulsed Radiofrequency in Chronic Knee Pain. Journal of the Portuguese Society of Anesthesiology, [S. l.], v. 32, n. 2, 2023. DOI: 10.25751/rspa.28049. Disponível em: https://revistas.rcaap.pt/anestesiologia/article/view/28049. Acesso em: 7 feb. 2026.