HPV Virus Images on this site are online from:
http://hpvvirusinwomen.com/
http://www.virology.wisc.edu/virusworld/ictv8gallery.php
http://www.scarformula.com/hpv-virus.php
http://www.microbiologyonline.org.uk/students/sti-tutorial-quiz/sti-quiz-page-22