1. Cancer statistics, 2003;Jemal;CA Cancer J Clin,2003
2. Cancer statistics, 1999;Landis;CA Cancer J Clin,1999
3. Demographics and occurrence of oral and pharyngeal cancers: the outcomes, the trends, the challenge;Silverman;JADA,2001
4. Dentistry's role in tobacco control;Tomar;JADA,2001
5. Oral cancer (PDQ): screening. Health professional version;National Cancer Institute,2004