<http://schema.org/caption>
"A bad heart valve is one of the most common and deadly forms of heart disease but many patients aren't good candidates for open heart surgery. Now, there is a groundbreaking procedure that doesn't require major surgery."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wgal.com/article/groundbreaking-heart-procedure-could-save-more-lives/5835381>