<https://secure.gravatar.com/avatar/f95aa3be19ccdedb4d6ea90f0b03abe0?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://dailymedicalinfo.com/view-article/%D8%B9%D9%84%D8%A7%D8%AC-%D8%A7%D9%84%D8%AA%D9%87%D8%A7%D8%A8-%D8%A7%D9%84%D8%B9%D9%8A%D9%86-%D9%84%D9%84%D8%B7%D9%81%D9%84/>