| prevalence, concordance and determinants of human papillomavirus infection among heterosexual partners in a rural region in central mexico. | although human papillomavirus (hpv) infection in heterosexual couples has been sparsely studied, it is relevant to understand disease burden and transmission mechanisms. the present study determined the prevalence and concordance of type-specific hpv infection as well as the determinants of infection in heterosexual couples in a rural area of mexico. | 2010 | 20667085 |