1. Human papillomavirus (HPV) and cervical cancer Fact sheet N°380,2015
2. Factors affecting utilization of cervical cancer prevention services in low-resource settings;A Bingham;Salud publica de Mexico,2003
3. Cristina Herdman JS. Planning appropriate cervical cancer prevention programs. Seattle Program for Appropriate Technology in Health (PATH), 2000.
4. Human papilloma virus infection and cervical cancer,2003
5. World Health organization / Information Centre on HPV and Cervical Cancer (HPV Information Centre),2010