<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%2Fcaffeine-boosts-lentivirus-production-for-gene-delivery-applications%2F81244596%2F%3Fkwrd%3DLentiviral%2520Vectors>