1. Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C. GLOBOCAN 2012 v1.0, Cancer lncidence and monality worldwide: IARC Cancer Base No. 11. Lyon: IARC, World Health Organ; 2012.
2. Sloan P, Gale N, Hunter K, Lingen M, Nylander K, Reibel J, et al. Tumour of the oral cavity and mobile tongue. In: Swerdlow SH, editor. WHO classification of tumours of haematopoietic and lymphoid tissues (World Health Organ Classification of Tumours). 4th ed. Lyon: lnternational Agency for Research on Cancer; 2017. p. 105–31.
3. Kumar M, Nanavati R, Modi T, Dobariya C. Oral cancer: etiology and risk factors: a review. J Cancer Res Ther. 2016;12(2):458.
4. Amin MB, Edge SB. In: Amin MB, editor. AJCC Cancer Staging Manual. 8th ed. New York: Springer; 2017.
5. Ebrahimi A, Gil Z, Amit M, Yen T-C, Liao C-T, Chaturvedi P, et al. Primary tumor staging for oral cancer and a proposed modification incorporating depth of invasion: an international multicenter retrospective study. JAMA Otolaryngol Head Neck Surg. 2014;140(12):1138–48.