1. Ferlay J, Shin HR, Bray F, Forman D, Mathers C, Parkin DM. Estimates of worldwide burden of Cancer in 2008: GLOBOCAN 2008. Int J Cancer 2893–917.
2. Arulogun OS, Maxwell OO. Perception and utilization of cervical cancer screening services among female nurses in University College Hospital, Ibadan, Nigeria. Pan Afr Med J 69.
3. Studies on the Epidemiology of Cervical Cancer.Southern Assam;Paul;Assam University Journal of Science &# Biological and Environmental Sciences,2011
4. Cancer facts and figures;American Cancer Society,2015