7Munoz N, Bosch FX, De Sanjose S, et al. Epidemiologic classification of human papillomavirus types associated with cervical cancer [J]. N Engl J Med,2003,(348):518-527.
8Franceschi S. The IARC commitment to cancel-prevention: The example of papiUomavirus and cervical cancer [J]. Recent Results Cancer Res,2005, (166):277-297.