<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.appliedhealth.com/index.php?option=com_content&view=article&id=500087:coenzyme-q10-100mg&catid=47:antioxidants&Itemid=695>