1. Human papillomavirus vaccination: recommendations of the Advisory Committee on Immunization Practices (ACIP);Markowitz;MMWR Recomm Rep,2014
2. Centers for Disease Control and Prevention website. HPV vaccine information for clinicians - fact sheet. Available at: http://www.cdc.gov/std/hpv/stdfact-hpv-vaccine-hcp.htm. Accessed July 25, 2015.
3. Cancer statistics;Jemal;CA Cancer J Clin,2010
4. Human papillomavirus–associated cancers - United States, 2004-2008;MMWR Morb Mortal Wkly Rep,2012
5. Centers for Disease Control and Prevention website. Cervical cancer statistics. Available at: http://www.cdc.gov/cancer/cervical/statistics/index.htm. Accessed July 25, 2015.