1Cai HB，Ding XH，Chen CCPrevalence of single and multiple human papillomavirus types in cervical cancei and precursor lesions in hubei，ChinaOncology，2009,76：157\|161
2Misra JS,Srivastava S,Singh U,et alRisk\|factors and strategies for control of carcinoma cervix in India: Hospital based cytological screening experience of 35 yearsIndian J Cancer,2009,46(2):155\|159
3Franceschi,Rajkumar T,Vaccarella S,et alHuman papillomavirus and risk factors for cervical cancer in chennai:a case\|control studyInt J Cancer,2003,107(1):127\|133
4Munagala R,Dona MG,Rai SN,et alSignificance of multiple HPV infection in cervical cancer patients and its impact on treatment responseInt J Oncol,2009,34(1):263\|271
5Ho GY,Bierman R,Beardsley L,et alNatural history of cervicovaginal papillomavirus infection in young womenN Engl J Med,1998,338(7):423\|428