26. Hong Kong Department of Health, Surveillance and Epidemiology Branch, Prevention and Screening of Cervical Cancer, Topical Health Report No. 4, 2004 27. Prescribing Information of Bivalent vaccine (GSK, Hong Kong) 28. Hong Kong Department of Health, Cervical Screening Programme Cervical Cancer, Risk Factor & Prevention. Available at: http://www.cervicalscreening.gov.hk/english/cc/cc_risk.html 29. Definition of Adjuvant, National Cancer Institute. Available at: http://www.cancer.gov 30.  Hong Kong Department of Health. Cervical Screening Programme. Human Paoillomavirus and vaccine. Available at: http://www.cervicalscreening.gov.hk/english/hum/hum_ccv.html 1 2 3 4 5 6 7 8 9