For more information about HPV, you can visit one of these websites:

http://www.princeton.edu/puhs/SECH/

http://newscenter.cancer.gov/newscenter/benchmarks-vol2-issue4/page2

http://www.ashastd.org

http://www.stanford.edu/group/virus/papova/HPV.html

http://www.nlm.nih.gov/medlineplus/hpv.html