<https://secure.gravatar.com/avatar/a8d10a242fc66206750e694289bd1194?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://aprende.com/blog/bienestar/nutricion/curso-para-bajar-de-peso/>