Tiyuri, Amir, Abdollah Mohammadian-Hafshejani, Elham Iziy, Hamidreza Gandomani, and Hamid Salehiniya. “The Incidence and Mortality of Lip and Oral Cavity Cancer and Its Relationship to the 2012 Human Development Index of Asia”. Biomedical Research and Therapy 4, no. 02 (February 22, 2017): 1147-1165. Accessed December 22, 2024. http://home.biomedpress.org/index.php/BMRAT/article/view/151.