Bogris, Konstantinos, Nikolaos Sylligardakis, Nikolaos Stavropoulos, Nicolas Condilis, and Irini Kalogridaki. 2009. “The Treatment of the Ears With Advanced Pathology Using a Composite Graft of Perichondrium and Cartilage”. Annali Italiani Di Chirurgia 80 (4):281-85. https://annaliitalianidichirurgia.it/index.php/aic/article/view/1776.