1. Calhoun K: Head and Neck Cancer: An Overview. Calhoun K, Eibling D, Wax M (eds): Expert Guide to Otolaryngology. Philadelphia, PA, 2001, pp 604–607, 612.
2. Head and neck cancer: changing epidemiology, diagnosis, and treatment;Marur;Mayo Clin Proc,2008
3. Tumors of the Oropharynx;Shah,2001
4. National Comprehensive Cancer Network Guidelines, Head and Neck Cancers, ver I.2012.
5. Case-control study of human papillomavirus and oropharyngeal cancer;D'Souza;N Engl J Med,2007