<http://schema.org/description>
"When that skin of yours becomes damaged beyond repair, a skin graft becomes an immensely important procedure. What do you know about skin grafts and how they are performed? Take out quiz to test your understanding."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/skin-care/problems/treating/about-skin-grafts-quiz11.htm>