<http://schema.org/about>
"White children exposed to high levels of bisphenol A are five times more likely to be obese than children with low levels, according to a study published today"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/bpa-connected-to-obesity-in-white-kids>