Reference Nucleotide excision Repair and Cancer, 2000 http:/aip.amipatholorg/cgilcontent/full/157/3/693 Xeroderma Pigmentosum http://en.wikipedia.org/wiki/xerodermapigmentosum Xeroderma Pigmentosum, 2005 http://www.thedoctorsdoctor.com/diseases/xerodermapigmentosum.htmReference Nucleotide Excision Repair and Cancer, 2000 http://ajp.amjpathol.org/cgi/content/full/157/3/693 Xeroderma Pigmentosum http://en.wikipedia.org/wiki/Xeroderma_pigmentosum Xeroderma Pigmentosum, 2005 http://www.thedoctorsdoctor.com/diseases/xerodermapigmentosum.htm