<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/Login.aspx?ReturnURL=%2Fgen-news-highlights%2Fsecond-phase-iii-trial-demonstrates-promise-for-pfizer-s-ra-drug%2F81244775%2F>