<http://schema.org/alternativeHeadline>
"Researchers tested 156 pieces of paper money from 21 countries and found the highest levels of contamination in money from Brazil, the Czech Republic and Australia."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/research-innovations/stories/bpa-found-on-paper-money-worldwide>