<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%2Fscientists-unravel-mechanism-by-which-sickle-trait-protects-against-malaria%2F81245073%2F>