Sharma, J., M. Gupta, and A. Saini. “Malignant Melanoma Oral Cavity: Case Report of Two Patients from Sub-Himalayan Region”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 7, no. 5, Apr. 2021, pp. 896-9, doi:10.18203/issn.2454-5929.ijohns20211591.