<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/WebSite>
<https://celiac.org/?view=article&catid=7%3Anews-a-events&id=201%3Amulticenter-study-on-season-of-birth-and-celiac-disease-evidence-for-a-new-theoretical-model-of-pathogenesis&format=pdf&option=com_content>