<http://schema.org/headline>
"Research: Vitamins, supplements may not help avoid disease"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2013/12/18/Research-Vitamins-supplements-may-not-help-avoid-disease/UPI-48621387350523/?spt=mps&or=4>