<http://schema.org/description>
"A University of Minnesota researcher says vitamin D in adult diets has been on the decline for the past 25 years."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2011/09/14/Adult-vitamin-D-consumption-declines/UPI-33151316058074/?rel=70981321552037>