Alzate Amaya, Fabian, Liliana Invencio Da Costa, Anselmo Padin Seara, and Jose Eugenio Estrada Gromaz. “Endoscopic Middle Ear Surgery: First Steps in a Third Level Hospital”. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery 57, no. 2 (March 10, 2020): 57–61. Accessed October 27, 2024. https://journalsporl.com/index.php/sporl/article/view/2945.