<https://secure.gravatar.com/avatar/47a367f1793fc0d75d769985d2086dab?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://bbmezzaluna.it/reflux-gastro-oesophagien-causes-et-symptomes/>