<http://schema.org/url>
<http://www.agweb.com/article/centaur_animal_health_launches_unique_calcium_supplement_for_dairy_cattle_NAA_News_Release/>
<http://www.agweb.com/farmjournal/article/centaur_animal_health_launches_unique_calcium_supplement_for_dairy_cattle_naa_news_release/>