1. American Cancer Society http://wwwcancer.org 2015
2. HPV-Associated Oropharyngeal Cancer Rates by Race and Ethnicity http://www.cdc.gov/cancer/hpv/statistics/headneck.htm 2015
3. National Institute of Dental and Craniofacial Research Cancer Treatment and Oral Health http://www.nidcr.nih.gov/OralHealth/Topics/CancerTreatment/ 2015
4. Oral Cancer Foundation http://www.oralcancerfoundation.org 2015
5. Surveillance Epidemiology, and End Results (SEER) Program http://seer.cancer.gov/index.html 2015