1. World Health Organization Human papillomavirus (HPV) and cervical cancer 2016 http://www.who.int/mediacentre/factsheets/fs380/en/
2. World Health Organization/HPV Information Centre Nigeria: Human Papillomavirus and Related Cancers, Fact Sheet 2017 http://www.hpvcentre.net/statistics/reports/NGA_FS.pdf
3. Awareness of cervical cancer risk factors and practice of Pap smear testing among female primary school teachers in Kasarani division, Nairobi Kenya;Ombech;African J Health Sci,2012
4. Effects of peer health education on perception and practice of screening for cervical cancer among urban residential women in south-east Nigeria: a before and after study;Mbachu;BMC Womens Health,2017