1. Doorbar J, Quint W, Banks L, Bravo IG, Stoler M, Broker TR et al. 2012. The biology and life-cycle of human papillomaviruses. Vaccine 30:F55–70.
2. Gertig DM, Brotherton JML, Saville M 2011. Measuring human papillomavirus (HPV) vaccination coverage and role of the National HPV Vaccination Program Register, Australia. Sex Health. 8(2):171–8.
3. Department of Health and Ageing 2009. Chief Medical Officer Guidance on revaccination where HPV vaccine doses have been given at less than recommended minimum intervals January 2009. Canberra: Department of Health and Ageing. Viewed 20 February 2017, http://www.immunise.health.gov.au/internet/immunise/publishing.nsf/Content/cmo-full-advice-hpv-cnt/$File/CMO-full-advice-hpv.pdf.