| human papillomavirus type 16 variants in cervical cancer from an admixtured population in brazil. | several studies indicate that molecular variants of hpv-16 have different geographic distribution and risk associated with persistent infection and development of high-grade cervical lesions. in the present study, the frequency of hpv-16 variants was determined in 81 biopsies from women with cervical intraepithelial neoplasia grade iii or invasive cervical cancer from the city of belem, northern brazil. host dnas were also genotyped in order to analyze the ethnicity-related distribution of these ... | 2008 | 18649325 |