1. 1. Pisani B, Bray F and Parkin DM. Estimates of the world-wide prevalence of cancer for 25 sites in the adult population. Int J Cancer 97: 72-81, 2002
2. 2. Brunin F, Mosseri V, Jaulerry C, Point D, Cosset JM and Rodriguez J. Cancer of the base of the tongue: past and future. Head Neck 21: 751-759, 1999
3. 3. Nauta JM, Roodenburg JL, Nikkels PG, Witjes MJ and Vermey A. Epithelial dysplasia and squamous cell carcinoma of wistar rat palatal mucosa: 4NQO model. Head Neck 18: 441-449, 1996
4. 4. MacDonald DG. Comparison of epithelial dysplasia in hamster cheek pouch carcinogenesis and human oral mucosa. J Oral Pathol 10: 186-191, 1981
5. 5. Tanuma J, Shies H, Hiai H, Higashi S, Yamada Y Kamoto T, Hirayama Y, Matsuuchi H and Kirano M. Quantitative trait loci affecting 4-nitroquinoline 1-oxide-induced tongue carcinogenesis in the rat. Cancer Res 58: 1660-1664, 1998