Zeron, H. M., Lopez, H., Layton, T., Santillan, B., Colin, F., Camarillo, R., & Dominguez, G. (2013). Human Papillomavirus: Mini-review and Collateral Expected Benefits of the Vaccine. Nepal Journal of Obstetrics and Gynaecology, 8(1), 4–9. Retrieved from https://nepjol.info/index.php/NJOG/article/view/8852