@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

<http://www.irandoc.acir/onto/irandoc/CAB0056892>
  skos:prefLabel "مواد مهارشده"@fa, "controlled substances"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/CAB0056889> .

<http://www.irandoc.acir/onto/irandoc/CAB0056889>
  skos:broader <http://www.irandoc.acir/onto/irandoc/CAB0056892> ;
  skos:prefLabel "افیون"@fa, "opiates"@en ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .