1. 1. Pan American Health Organization. Plan of Action on Immunization. Report to the 54th Directing Council [Internet]. 2015 [cited 2016 Dec 3]. Available from: http://www.paho.org/hq/index.php?option=com_content&view=article&id=11087&Itemid=41537&lang=en
2. 2. Ferlay J, Soerjomataram I, Ervik M, Dikshit R, Eser S, Mathers C, et al. GLOBOCAN 2012 v1.0, Cancer Incidence and Mortality Worldwide: IARC CancerBase No. 11 [Internet]. Lyon, France: International Agency for Research on Cancer, 2013 [cited 2016 Dec 3]. Available from: http://globocan.iarc.fr
3. 3. Lowy DR, Schiller JT. Reducing HPV-associated cancer globally. Cancer Prevention Research. 2012;5(1):18-23. https://doi.org/10.1158/1940-6207.CAPR-11-0542
4. 4. Brotherton JML, Zuber PLF, Bloem PJN. Primary prevention of HPV through vaccination: Update on the current global status. Curr Obstet Gynecol Rep. 2016;5(3):210-23. https://doi.org/10.1007/s13669-016-0165-z
5. 3. World Health Organization. Meeting of the Strategic Advisory Group of Experts on Immunization, October 2016 conclusions and recommendations. Wkly Epidemiol Rec. 2016;48(2):579-80. [cited 2016 Dec 27]. Available from: http://apps.who.int/iris/bitstream/10665/251816/1/WER9148_561-582.pdf?ua=1