<https://secure.gravatar.com/avatar/df1993000b2b75013fe43ceb7d4b30bc?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.abbeydentalclinic.com/ways-to-help-you-relax-at-the-dentist/>