1. Bandre TR. 1983 Toxicity studies of food contaminants. Nagpur University: Nagpur (India).
2. An oral lesion in tobacco-lime users in Maharashtra, India
3. Blot WJ, McLaughlin JK, Devesa SS, Fraument J. 1997 Cancer of oral cavity and pharynx. Cancer Epidemiology and Prevention (D Schottenfeld, JG Searle, J Fraumeni Jr) Oxford University Press: London.
4. Breslow NE, Day NE. 1980 The analysis of case-control studies. Statistical methods in cancer research1 No. 32 IARC scientific publications.