@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/controlled_vocabulary>
  skos:prefLabel "controlled vocabulary"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/subject_headings> .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/subject_headings> .

<https://concepts.sagepub.com/social-science/concept/medical_subject_headings>
  skos:prefLabel "medical subject headings"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/subject_headings> .

<https://concepts.sagepub.com/social-science/concept/subject_headings>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/medical_subject_headings> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D013358.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/controlled_vocabulary> ;
  skos:prefLabel "subject headings"@en ;
  a skos:Concept .