<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/gen-news-highlights/researchers-identify-mabs-for-removing-teratoma-forming-cells-from-heterogeneous-hesc-population/81245552/?kwrd=Cellular%20Biology>