@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/voluntary_work>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/voluntary_nurses>, <https://concepts.sagepub.com/social-science/concept/community_service_volunteers>, <https://concepts.sagepub.com/social-science/concept/voluntary_hospital_workers>, <https://concepts.sagepub.com/social-science/concept/voluntary_social_work>, <https://concepts.sagepub.com/social-science/concept/voluntary_youth_work>, <https://concepts.sagepub.com/social-science/concept/hospital_volunteers> ;
  skos:prefLabel "voluntary work"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/persons> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D014838.html> .

<https://concepts.sagepub.com/social-science/concept/voluntary_hospital_workers>
  skos:prefLabel "voluntary hospital workers"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/voluntary_work> .

<https://concepts.sagepub.com/social-science/concept/voluntary_social_work>
  skos:prefLabel "voluntary social work"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/voluntary_work> .

<https://concepts.sagepub.com/social-science/concept/community_service_volunteers>
  skos:prefLabel "community service volunteers"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/voluntary_work> .

<https://concepts.sagepub.com/social-science/concept/voluntary_youth_work>
  skos:prefLabel "voluntary youth work"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/voluntary_work> .

<https://concepts.sagepub.com/social-science/concept/hospital_volunteers>
  skos:prefLabel "hospital volunteers"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/voluntary_work> .

<https://concepts.sagepub.com/social-science/concept/voluntary_nurses>
  skos:prefLabel "voluntary nurses"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/voluntary_work> .

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

<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/voluntary_work> .