1. Oral cancers in India;Babu;Semin Oncol,2001
2. Smokeless tobacco and oral cancer;Badovinac;J Mass Dent Soc,2001
3. In vitro and in vivo studies of cellular immunity in alcoholic cirrhosis;Berenyi;Am J Dig Dis,1974
4. Statistical methods in cancer research. Vol I. The analysis of case–control studies. IARC Scientific Publications No. 32;Breslow,1980
5. GLOBOCAN 2000: cancer incidence, mortality and prevalence worldwide. Version 1.0. IARC Cancer Base No. 5;Ferlay,2001