Association of Human Papillomavirus Type 6 and 11 with Head and Neck Squamous Cell Carcinomas in Sudanese Patients

Hind El Rayah Osman, Ebtihal Hashim Bareer, Nazik Elmalaika and Obaid Seid Ahmed Husain

Research Journal of Biological Sciences 8 ( 5 ): 174 - 178 , 2013