<http://schema.org/description>
"An MRI machine is more than just a big, claustrophobia-inducing tube. How much do you know about what&amp;#039;s going on inside -- or what&amp;#039;s going on inside your body while you&amp;#039;re in there?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/medicine/tests-treatment/mri-quiz3.htm>