Montenegro-Idrogo, Juan J., Carla Young-Candia, and Mariana Ramos. 2014. “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 (1). https://doi.org/10.17843/rpmesp.2013.301.174.