1. A survey on control of oral cancer in India;Stanley;Ind. J. Cancer,1986
2. Epidemiology of oral cancer and precancer;Pindborg,1980
3. Oral premalignancy;Evenson;Cancer Surv.,1983
4. Smoking and drinking in relation to oral and pharyngeal cancer;Blot;Cancer Res.,1988
5. Oral cancer and mouthwash use;Wynder;J. Natl. Cancer Inst.,1983