<http://schema.org/headline>
"Why do my legs swell when they&amp;#039;re bitten?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.netdoctor.co.uk/ask-the-expert/allergy-and-asthma/a6052/why-do-my-legs-swell-when-theyre-bitten/>