Ulaganathan, Prabhakar. “Petrified Pinna in a Porter: A Case Report”. International Journal of Otorhinolaryngology and Head and Neck Surgery 11, no. 4 (July 25, 2025): 438–441. Accessed October 10, 2025. https://www.ijorl.com/index.php/ijorl/article/view/4593.