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

<http://www.irandoc.acir/onto/irandoc/HLT000501>
  skos:prefLabel "Head injury"@en, "آسیب سر"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000290> .

<http://www.irandoc.acir/onto/irandoc/HLT000291>
  skos:prefLabel "Symptom"@en, "نشانه بیماری"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept ;
  skos:narrower <http://www.irandoc.acir/onto/irandoc/HLT000290> .

<http://www.irandoc.acir/onto/irandoc/HLT000290>
  skos:related <http://www.irandoc.acir/onto/irandoc/HLT000501> ;
  skos:broader <http://www.irandoc.acir/onto/irandoc/HLT000291> ;
  skos:prefLabel "Headache"@en, "سردرد"@fa ;
  a <http://www.irandoc.ac.ir/onto/irandoc-meta/Concept>, skos:Concept .