Rato, Catarina, Ana Isabel Gonçalves, Gustavo Lopes, Delfim Duarte, and Sara Cruz. 2020. “N-ERD in Hospital Pedro Hispano: A Single Center Experience and State-of-the-Art”. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery 58 (3):115-19. https://doi.org/10.34631/sporl.831.