Bibliography

http://www.clinuvel.com/skin-conditions/rare-skin-conditions/xeroderma-pigmentosum-xp

http://www.geneticalliance.org/organization/xeroderma-pigmentosum-family-support-group

http://health.kioskea.net/contents/pathologies/pnds-xeroderma-pigmentosum-has#statistics

http://rarediseases.about.com/od/skindisorders/a/xerodermapigmen.htm

http://wiki.answers.com/Q/What_are_the_possible_genotypes_of_parents_with_Xeroderma_Pigmentosum

http://en.wikipedia.org/wiki/Xeroderma_pigmentosum

http://xerodermapigmentosum-samuel.blogspot.com/2011/03/what-are-physical-symptoms-of-disease.html