Kumar, Brijesh, and Anirudh Shukla. “Head and Neck Carcinoma and Its Association With Environmental Factors”. International Journal of Otorhinolaryngology and Head and Neck Surgery 5, no. 6 (October 23, 2019): 1619–1623. Accessed November 16, 2025. https://www.ijorl.com/index.php/ijorl/article/view/1732.