Ferreira Marinho, António. “Tonsils and Adenoids - from Infection to Obstruction”. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery 48, no. 1 (March 25, 2010): 25–32. Accessed November 10, 2026. https://www.journalsporl.com/index.php/sporl/article/view/2455.