<https://secure.gravatar.com/avatar/73beeb321472958a9652de5e4b200b56?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.moncloa.com/2021/05/24/parches-anticonceptivos-funcionan-verdad-783767/>