Montenegro-Idrogo, Juan J., Carla Young-Candia, and Mariana Ramos. “The Need to Strengthen the Health System before the Implementation of the Vaccine Against the Human Papillomavirus”. Revista Peruana de Medicina Experimental y Salud Pública 30, no. 1 (February 7, 2014). Accessed May 1, 2024. https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/174.