<http://schema.org/url>
<http://www.fiercebiotech.com/story/mercks-allergy-pill-clears-fda-hurdle-efficacy-questions-linger/2013-12-12>
<http://www.fiercebiotech.com/story/mercks-allergy-pill-clears-fda-hurdle-efficacy-questions-linger/2013-12-12>