<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SearchAction>
<http://www.genengnews.com/Login.aspx?ReturnURL=%2Fgen-news-highlights%2Fbiological-tissues-from-a-printer%2F81247319%2F%3Fkwrd%3DTissue%2520Engineering>