RIBEIRO, Susana; MONTEMOR, Rudolfo; DE SOUSA, Vítor; PINTO, Luís Marques; BARROS, José Ezequiel. Mediastinal abscess following iatrogenic piriform fossa perforation - case report. Portuguese Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 48, n. 3, p. 135–138, 2010. DOI: 10.34631/sporl.224. Disponível em: https://www.journalsporl.com/index.php/sporl/article/view/2479. Acesso em: 10 nov. 2026.