1. Ferlay J, Shin HR, Bray F, et al: Globocan 2008 v1.2, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 10 [Internet]. Lyon, France: International Agency for Research on Cancer; 2010. Available: http://globocan.iarc.fr. Accessed 13 October, 2013.
2. Effective strategies for HPV vaccine delivery: the views of pediatricians;Tissot;J Adolesc Health,2007
3. Literature review of human papillomavirus vaccine acceptability among women over 26 years;Black;Vaccine,2009
4. Use and Acceptance of HPV Vaccine Still a Work in Progress. National Cancer Institute;Phillips;NCI Cancer Bulletin,2011
5. US Food and drug Administration 2009: FDA Approves New Vaccine for Prevention of Cervical Cancer. Available: http://www.fda.gov/newsevents/newsroom/pressannouncements/ucm187048.htm. Accessed 15 October, 2013.