Muñoz, Nubia, Julio César Reina, and Gloria Inés Sánchez. “The Human Papillomavirus Vaccine: A Powerful Tool for the Primary Prevention of Cervical Cancer”. Colombia Medica 39, no. 2 (June 30, 2008): 196–202. Accessed April 16, 2024. https://colombiamedica.univalle.edu.co/index.php/comedica/article/view/577.