@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/radiographic_image_enhancement>
  skos:prefLabel "radiographic image enhancement"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/digital_subtraction_angiography> .

<https://concepts.sagepub.com/social-science/concept/subtraction_technique>
  skos:prefLabel "subtraction technique"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/digital_subtraction_angiography> .

<https://concepts.sagepub.com/social-science/concept/angiography>
  skos:prefLabel "angiography"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/digital_subtraction_angiography> .

<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/digital_subtraction_angiography> .

<https://concepts.sagepub.com/social-science/concept/digital_subtraction_angiography>
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D015901.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/subtraction_technique>, <https://concepts.sagepub.com/social-science/concept/radiographic_image_enhancement>, <https://concepts.sagepub.com/social-science/concept/angiography> ;
  skos:prefLabel "digital subtraction angiography"@en ;
  a skos:Concept .