Kulkarni, Vaishnavi Vasant, et al. “Squamous Cell Carcinoma of the External Auditory Canal in Previously Treated Case of Adenoid Cystic Carcinoma of Parotid Gland”. Journal of Radiology and Oncology, vol. 9, no. 2, May 2025, pp. 054-5, doi:10.29328/journal.jro.1001081.