1. Ferlay J, Shin HR, Bray F, Forman D, C M, and DM P, GLOBOCAN 2012 v2.0 Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 10 [Internet].Lyon, France: International Agency for Research on Cancer; 2012 Available from: http://globocan.iarc.fr.
2. Three Year Report of Population Based Cancer Registries, 2009⿿2011;NCRP,2013
3. A review of risk factors for oral cavity cancer: the importance of a standardized case definition;Radoi;Commun. Dent. Oral. Epidemiol.,2013
4. Betel quid chewing and the risk of oral and oropharyngeal cancers: a meta-analysis with implications for cancer control;Guha;Int. J. Cancer,2013
5. Fruits and vegetables: updating the epidemiologic evidence for the WCRF/AICR lifestyle recommendations for cancer prevention;Norat;Cancer Treat. Res.,2014