1. 1. Pereira MC, Oliveira DT, Landman G, Kowalski LP. Histologic subtypes of oral squamous cell carcinoma: prognostic relevance. J Can Dent Assoc 2007; 73: 339-44.
2. Histological and molecular aspects of oral squamous cell carcinoma (Review);Rivera;Oncol Lett,2014
3. Oral squamous cell carcinoma: epidemiology, clinical presentation and treatment;Feller;J Cancer Ther,2012
4. 4. Varshitha A. Prevalence of oral cancer in india. A/J. Pharm. Sci. & Res 2015; 7: 845-8.
5. 5. Shih-An Liu. A literature analysis of the risk factors for oral cancer. In: Dr. Kalu U. E. Ogburekeeditor. Oral cancer. China: InTech; 2012.p.65-78.