Cohort studies of human populations have provided the most convincing evidence of links between exposure tospecific agents and cancer. The Korean Multi-center Cancer Cohort (KMCC-II) is a multi-center prospective cohortdesigned ...

Background: The human papiloma virus (HPV), which is sexually transmitted, and most commonly causesgenital warts, has been linked to cervical intraepithelial neoplasia and invasive carcinoma. Of ninety plus types ...