1. Rodrigues, V. C., Moss, S. M., & Tuomainen, H. (1998). Oral cancer in the UK: To screen or not to screen. Oral Oncology, 34, 454–65.
2. Parkin, D. M., Pisani, P., & Ferlay, J. (1999). Global cancer statistics. CA: A Cancer Journal for Clinicians, 49, 33–4, 31.
3. Jemal, A., Clegg, L. X., Ward, E., Ries, L. A., Wu, X., Jamison, P. M., et al. (2004). Annual report to the nation on the status of cancer, 1975–001, with a special feature regarding survival. Cancer, 101, 3–7.
4. Macfarlane, G. J., Boyle, P., Evstifeeva, T. V., Robertson, C., & Scully C. (1994). Rising trends of oral cancer mortality among males worldwide: The return of an old public health problem. Cancer Causes Control, 5, 259–65.
5. Jemal, A., Siegel, R., Ward, E., Murray, T., Xu, J., Smigal, C., et al. (2006). Cancer statistics, 2006. CA: A Cancer Journal for Clinicians, 56, 106–30.