1. International Agency for Research on Cancer: GLOBOCAN 2012 Cervical Cancer: Estimated Incidence, Mortality and Prevalence Worldwide in 2012. http://globocan.iarc.fr/old/FactSheets/cancers/cervix-new.asp.
2. Cervical cancer screening programs and guidelines in low- and middle-income countries;B Olson;Int J Gynaecol Obstet,2016
3. Cancer. Disease Control Priorities;H. Gelband,2015
4. Challenges in prevention and care delivery for women with cervical cancer in Sub-Saharan Africa;T.C. Randall;Front. Oncol,2016