1. ACOG Practice Bulletin No. 109 (2009) Cervical cytology screening. American College of Obstetricians and Gynecologists. Obstet Gynecol 114:1409–1420
2. Anttila A, Pukkala E, Söderman B, Kallio M, Nieminen P, Hakama M (1999) Effect of organised screening on cervical cancer incidence and mortality in Finland, 1963–1995: recent increase in cervical cancer incidence. Int J Cancer 83(1):59–65
3. Arbyn M, Sasieni P, Meijer CJ, Clavel C, Koliopoulos G, Dillner J (2006) Chapter 9: Clinical applications of HPV testing: a summary of meta-analyses. Vaccine 24(Suppl 3): S3/78–S3/89
4. Arguedas A, Soley C, Loaiza C, Rincon G, Guevara S, Perez A, Porras W, Alvarado O, Aguilar L, Abdelnour A, Grunwald U, Bedell L, Anemona A, Dull PM (2010) Safety and immunogenicity of one dose of MenACWY-CRM, an investigational quadrivalent meningococcal glycoconjugate vaccine, when administered to adolescents concomitantly or sequentially with Tdap and HPV vaccines. Vaccine 28(18):3171–3179
5. Backes DM, Bleeker MC, Meijer CJ, Hudgens MG, Agot K, Bailey RC, Ndinya-Achola JO, Hayombe J, Hogewoning CJ, Moses S, Snijders PJ, Smith JS (2011) Male circumcision is associated with a lower prevalence of human papillomavirus-associated penile lesions among Kenyan men. Int J Cancer. doi: 10.1002/ijc.26196