1. American Cancer Society. Cancer Facts & Figures 2011. Atlanta: American Cancer Society; 2011.
2. International agency for research on cancer. World cancer report;Boyle,2008
3. Glisson B, Cango M, Feigenberg S. Head and neck tumors. In: Pazdur R, Wagman L, Camphausen K, Hoskins W, editors. Cancer management: a multidisciplinary approach. 13th ed. Manhassett: CMP Health, Media; 2011.
4. Gene expression profiles identify epithelial-to-mesenchymal transition and activation of nuclear Factor-B signaling as characteristics of a high-risk head and neck squamous cell carcinoma;Chung;Cancer Res,2006
5. Epithelial–mesenchymal transitions in tumour progression;Thiery;Nat Rev Cancer,2002