<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/Registration.aspx?ReturnURL=%2Fgen-news-highlights%2Fstemcyte-and-uc-davis-tethered-in-umbilical-cord-blood-banking%2F81247650%2F%3Fkwrd%3DStem%2520Cells>