<https://secure.gravatar.com/avatar/abb1d36a94a3d171771b876b40cee236?s=96&d=mm&r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.muronka.cz/zhubnete-jednou-provzdy-s-proteinovou-dietou/>