<http://schema.org/headline>
"Cleaning, Farming and Hairdressing Jobs Have 'Higher Asthma Risk Than Others', Study Reveals"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffingtonpost.co.uk/2013/01/22/jobs-asthma-risk-cleaner-hairdresser-farmer_n_2524749.html>