1. Centers for Disease Control and Prevention. Genital HPV infection fact sheet. Disponível em :
    http://www.cdc.gov/std/hpv/stdfact-hpv.htm.
    Acessado em 22 de julho de 2005.
  2. World Health Organization. Immunization, vaccines and biologicals: Vaccine research and development. Disponível em:
    http://who.int/vaccines/en/hpvrd.shtml.
    Acessado em 5 de janeiro de 2006.
  3. World Health Organization. Human papillomavirus infection and cervical cancer. Disponível em:
    http://www.who.int/vaccine_research/diseases/hpv/en/
    Acessado em 5 de janeiro de 2006
  4. National Cancer Institute, Division of Cancer Prevention. About HPV infections. Disponível em:
    http://www.cancer.gov/prevention/alts/abouthpv.html     
    Acessado em 6 de junho de 2006
  5. Walboomers JMM, Jacobs MV, Manos MM, e outros. Human papillomavirus is a necessary cause of invasive cervical cancer worldwide. J Pathol. 1999;189:12–19.
  6. Winer RL, Lee S-K, Hughes JP, e outros. Genital human papillomavirus infection: Incidence and risk factors in a cohort of female university students. Am J Epidemiol. 2003;157:218–226.
  7. American Cancer Society. Prevention & early detection. Disponível em:
    http://www.cancer.org/docroot/PED/content/PED_2_3X_Pap_Test.asp.
    Acessado em 30 de junho de 2005
  8. World Health Organization.State of the art of new vaccines: Research & Development. Initiative for Vaccine Research. Genebra: World Health Organization; 2003:1-74
  9. Mount SL, Papillo JL. A study of 10.296 pediatric and adolescent Papanicolaou smear diagnoses in northern New England. Pediatrics. 1999;103:539–545
  10. American Cancer Society. Cervical cancer. Disponível em:
    http://documents.cancer.org/115.00/115.00.pdf.
    Acessado em 22 de  julho de 2005
  11. Koutsky L. Epidemiology of genital human papillomavirus infection.  Am J Med. 1997;102:3–8.
  12. National Cancer Institute. Recent studies regarding HPV and cervical cancer: Questions and answers. Disponível em:
    http://cancernet.nci.nih.gov/cancertopics/factsheet/HPVCervicalQandA
    Acessado em 30 de setembro de 2005
  13. National Cervical Cancer Coalition. Patient information: Questions and answers about the Pap test.  Disponível em:
    http://www.nccc-online.org/patient.php.
    Acessado em 30 de setembro de 2005.
  14. National Cancer Institute. Cancer facts: Human papillomaviruses and cancer: Questions and answers. Disponível em: :
    http://www.cancer.gov/ancertopics/factsheet/Risk/HPV
    Acessado em 30 de setembro de 2005.
  15. American Social Health Association. HPV (human papillomavirus): Genital warts: Questions & answers. Disponível em :
    http://www.ashastd.org/learn/learn_hpv_warts.cfm.
    Acessado em 10 de janeiro de 2006.
  16. National Institute of Allergy and Infectious Diseases. Human papillomavirus and genital warts. Julho de 2004. Disponível em:
    http://www.niaid.nih.gov/factsheets/stdhpv.htm.
    Acessado em 22 de julho de 2005.
  17. Tortolero-Luna G. . Epidemiology of genital human papillomavirus.. Hematol Oncol Clin North Am. 1999; 13:245–257.
  18. American Cancer Society. Detailed guide: Vaginal cancer: What is vaginal cancer? Disponível em :
    http://www.cancer.org/
    docroot/CRI/content/CRI_2_4_1X_What_is_vaginal_cancer_55.asp?sitearea=
    Acessado em 30 de setembro de 2005
  19. American Cancer Society. Cancer Facts and Figures 2005. Atlanta, Ga: American Cancer Society; 2005:1–60.
  20. American Cancer Society. Detailed guide: Vulvar cancer: What is vulvar cancer? Disponível em : http://www.cancer.org/
    docroot/CRI/content/CRI_2_4_1X_What_is_vulvar_cancer_45.asp?sitearea=
    Acessado em 30 de setembro de 2005.
  21. American Cancer Society. Detailed guide: Anal cancer: What is anal cancer? Disponível em:
    http://www.cancer.org/docroot/CRI/content/CRI_2_4_1X_What_is_anal_cancer_47.asp?sitearea.  
    Acessado em 30 de setembro de 2005
  22. Organização Mundial de Saúde; -  The current status of development of prophylactic vaccines against human papillomavirus infection. Disponível em :
    http://www.who.int/vaccines-documents/DocsPDF99/www9914.pdf.
    Acessado em 17 de janeiro de 2006.
  23. International RRP ISA Center. FAQs. Disponível em:
    http://www.rrpwebsite.org/ faqs.htm
    Acessado em 17 de outubro de 2005.
  24. emedicine. Recurrent respiratory papillomatosis. Disponível em: 
    http://www.emedicine.com/med/topic2535.htm.
    Acessado em 10 de janeiro de 2006.
  25. Herrero R, CastellsaguéX, Pawlita M, e outros. Human papillomavirus and oral cancer: The international agency for research on cancer multicenter study. J Natl Cancer Inst. 2003;95:1772–1783.
  26. Lewis MJ. A situational analysis of cervical cancer in Latin America and the Caribbean. Disponível em:
    http://www.paho.org/English/AD/DPC/NC/pcc-cc-sit-lac.pdf.
    Acessado em 11 de  Abril de 2006.
  27. World Health Organization. Viral cancer. Disponível em: http://www.who.int/vaccine_research/diseases/viral_cancers/en/print.html. 
    Acessado em 21 de Março de 2006.