1. Estimates of the wordwide mortality from eighteen major cancers in 1985. Implications for prevention and projections of future burden;Pisani;International Journal of Cancer,1993
2. Etimates of the worldwide incidence of eighteen major cancers in 1985;Parkin;International Journal of Cancer,1993
3. Johnson NW. A global view of the epidemiology of oral cancer. In: Johnson MW, editor. Oral Cancer, Vol. 2. Cambridge Press, 1991. p. 3–26.
4. Smoking and drinking in relation to oral and pharyngeal cancer;Blot;Cancer Research,1988
5. Hereditary and enviromental risk factors; clinical and laboratory risk markers for head and neck, especially oral, cancer and precancer;Johnson;European Journal of Cancer Prevention,1991