111. Yamada T, Manos MM, Peto J, 1997: Human papillomavirus type 16 sequence variation in cervical cancers: a worldwide perspective. J Virol. 71: 2463–2472• 112. Sichero L, Franco E, Villa LL, 2005: Different P105 promoter activities among natural variants of human papillomavirus type 18. The J. of Infeccious Diseases. 191: 739–42• 113. Giannoudis A, Herrington CS, 2001: Human papillomavirus variants and squamous neoplasia of the cervix. J. of Pathology. 193: 295–302• 114. Londesborough P, Ho L, Terry G, 1996: HPV genotype as a predictor of persistence and development of high-grade lesions in women with minor cervical abnormalities. Int J Cancer. 69: 364–368• 115. Zehbe I, Wilander E, Delius H, Tommasino M, 1998: Human papillomavirus 16 E6 variants are more prevalent in invasive cervical carcinoma than the prototype. Cancer Res. 58: 829–833• 116. Nindl I, Rindfleisch K, Lotz B, 1999: Uniform distribution of HPV 16 E6 and E7 variants in patients
with normal histology, cervical intraepithelial neoplasia and cervical cancer. Int J Cancer. 82: 203–207• 117. Grodzki M, Besson G, Tommasino M: Increased risk for cervical disease progression of french women infected with the human papillomavirus 16 E6–350 G variant. Study ongoing• 118. de la Cruz–Hernández E, García–Carrancà A, Lizano–Soberón M, 2005: Differential splicing of E6 within human papillomavirus type 18 variants and functional consecuentes. J. of General Virology. 86, 2459–2468• 119. Lizano M, Berumen J, Guido MC, Casas L, GarciaCarranca A, 1997: Association between human papillomavirus type 18 variants and histopathology of cervical cancer. J Natl Cancer Inst 89, 1227–1231• 120. http://www.ops-oms.org/Spanish/DD/ PIN/ps050819.htm• 121. The health professional’s HPV HANDBOOK, 1: Human papillomavirus and cervical cancer. 2004. The European Consortium for Cervical Cancer education. Taylor & Francis Group•
55 CaCU y VPH