“Parotid Gland Parotide (C07.9) - High-Grade Epithelial Carcinoma Arising in a Low-Grade Epithelialmyoepithelial Carcinoma of the Parotid Gland: A Rare Case Report With Immunohistochemical and Molecular Analysis Carcinoma Epiteliale Ad Alto Grado Insorto Nel Contesto Di Carcinoma Epitelialemioepiteliale a Basso Grado Della Ghiandola Parotide. Raro Case Report Con Analisi Immunoistochimica E Biomolecolare”. European Journal of Oncology and Environmental Health, vol. 18, no. 2, Oct. 2013, pp. 103-9, https://mattioli1885journals.com/index.php/EJOEH/article/view/3143.