<http://schema.org/description>
"If you&amp;#039;ve reached a certain age, chances are you&amp;#039;ve battled a pimple or two. For many people, a dab of basic blemish cream does the trick, but some folks need more serious acne treatment. Test your knowledge with this tretinoin quiz."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/skin-care/problems/treating/tretinoin-quiz10.htm>