<http://schema.org/url>
<http://www.aol.com/article/2013/05/29/navidea-biopharmaceuticals-to-present-at-the-jeffe/20587283/>
<http://www.aol.com/article/2013/05/29/navidea-biopharmaceuticals-to-present-at-the-jeffe/20587283/>