Pérez Cárdenas, Jorge Enrique
Markowitz L.E., Hariri S., Lin C., Dunne E.F., Steinau M., McQuillan G., Unger E.R. Reduction in Human Papillomavirus (HPV) Prevalence Among Young Women Following HPV Vaccine Introduction in the United States, National Health and Nutrition Examination Surveys, 2003-2010. Journal of Infectious Diseases 2013; 208: 385-393..  , 2014