Rao, G. V. S., Yannamreddy, L. R., Rao, G. V. K. C., & Cuddapah, S. R. (2025). Aspergillus niger associated calcium oxalate otolith in the external auditory canal: an uncommon clinical presentation. International Journal of Otorhinolaryngology and Head and Neck Surgery, 11(5), 613–615. https://doi.org/10.18203/issn.2454-5929.ijohns20252999