1.
Ribeiro S, Montemor R, de Sousa V, Pinto LM, Barros JE. Mediastinal abscess following iatrogenic piriform fossa perforation - case report. Port J ORL [Internet]. 2010 Sep. 23 [cited 2026 Nov. 10];48(3):135-8. Available from: https://www.journalsporl.com/index.php/sporl/article/view/2479