RAO, G. V. S.; YANNAMREDDY, L. R.; RAO, G. V. K. C.; CUDDAPAH, S. R. Aspergillus niger associated calcium oxalate otolith in the external auditory canal: an uncommon clinical presentation. International Journal of Otorhinolaryngology and Head and Neck Surgery, [S. l.], v. 11, n. 5, p. 613–615, 2025. DOI: 10.18203/issn.2454-5929.ijohns20252999. Disponível em: https://www.ijorl.com/index.php/ijorl/article/view/4762. Acesso em: 2 nov. 2025.