<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-articles%2Frobust-multimodal-approach-essential-to-conquer-cancer%2F3627%2F%3Fkwrd%3DCirculating%2520Tumor%2520Cells>