<http://schema.org/keywords>
"biopsy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/health-and-fitness/life-interrupted-a-first-person-account-of-battle-with-deadly-cancer/story-E1dbB8KR6Y84gnhFVD2FDM.html>