1. Global cancer statistics;A Jemal;CA Cancer J Clin,2011
2. World Health Organization. Human papillomavirus infection and cervical cancer, 2012. Available: http://www.who.int/gho/publications/world_health_statistics/EN_WHS2012_Full.pdf. Accessed 2013 February 10.
3. Epidemiology of cervical cancer and the role of human papiloma virus;H Güner;J Turkish Obstetric Gynecol Soc,2007
4. Breast and cervical cancer in 187 countries between 1980 and 2010: a systematic analysis;MH Forouzanfar;Lancet,2011
5. Coverage of cervical cancer screening in 57 countries: low average levels and large inequalities;E Gakidou;PLoS Med,2008