<http://schema.org/description>
"Diuretics stop working for many people with advanced heart failure, so scientists developed a procedure known as ultrafiltration. The UNLOAD study compared the safety and efficacy of ultrafiltration with that of diuretic drugs. What did they find?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/medicine/tests-treatment/unload-study.htm>