[Association between human papillomavirus (HPV) type 16 infection and E6/E7 gene variant and the cervical lesions in Beijing].
Yang YJ et al.
Zhonghua Shi Yan He Lin Chuang Bing Du Xue Za Zhi = Zhonghua Shiyan He Linchuang Bingduxue Zazhi = Chinese Journal of Experimental and Clinical Virology, 2007