1. Cancer Facts and Figures. American Cancer Society, 2007. Available at http://www.cancer.org/downloads/STT/CAFF2007PWSecured.pdf (accessed April 9, 2007).
2. Global cancer statistics, 2002;Parkin;CA Cancer J Clin,2005
3. The pathology of oral cancer;Walker;Pathology,2003
4. Mutagen sensitivity: a biological marker of cancer susceptibility;Hsu;Cancer Epidemiol Biomarkers Prev,1991
5. Fifty years of benzo(a)pyrene;Phillips;Nature,1983