<http://schema.org/description>
"The neurotransmitter dopamine is best known for its roles in the brain &amp;amp;#150; in signaling pathways that control movement, motivation, reward, learning and memory."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2011-07-kidney-dopamine-blood-pressure-life.html>