1. Continuous improvement of oral health in the 21st century—the approach of the WHO global oral health programme;Petersen,2003
2. Cancer incidence, mortality and prevalence worldwide;Fearlay,2001
3. An epidemiological study of oral squamous cell carcinoma in southern Taiwan;Chen;J Formosan Dent Assoc,1987
4. Department of Health. Cancer registry annual report in Taiwan area, 2003. Taipei: Department of Health. The Executive Yuan, ROC; 2005.
5. Involvement of viral and chemical factors with oral cancer in Taiwan;Yang;Jpn J Clin Oncol,2004