@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/cardiovascular_surgery>
  skos:prefLabel "cardiovascular surgery"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heart_transplants> .

<https://concepts.sagepub.com/social-science/concept/cardiac_surgery>
  skos:prefLabel "cardiac surgery"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heart_transplants> .

<https://concepts.sagepub.com/social-science/concept/organ_transplants>
  skos:prefLabel "organ transplants"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heart_transplants> .

<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/heart_transplants> .

<https://concepts.sagepub.com/social-science/concept/heart_transplants>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heart_and_lung_transplants> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/organ_transplants>, <https://concepts.sagepub.com/social-science/concept/cardiovascular_surgery>, <https://concepts.sagepub.com/social-science/concept/cardiac_surgery> ;
  skos:prefLabel "heart transplants"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/heart_and_lung_transplants>
  skos:prefLabel "heart and lung transplants"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/heart_transplants> .