1. Effect of screening on oral cancer mortality in Kerala, India: A cluster randomised controlled trial;Sankaranarayanan;Lancet,2005
2. Oral and oropharyngeal cancer: Statistics. Available from: https://www.cancer.net/cancer-types/oral-and-oropharyngeal-cancer/statistics. [Last accessed on 2021 Oct 30].
3. Emerging insights into head and neck cancer metastasis;Allen;Head Neck,2013
4. Biopsy and histopathologic diagnosis of oral premalignant and malignant lesions;Poh;J Can Dent Assoc,2008
5. Observer variability in the histologic assessment of oral premalignant lesions;Karabulut;J Oral Pathol Med,1995