@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/indoor_air_quality>
  skos:prefLabel "indoor air quality"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/indoor_air_pollution> .

<https://concepts.sagepub.com/social-science/concept/indoor_air_pollution>
  skos:definition "The presence of polluted air inside livable spaces is as old as civilization itself. In earlier societies, the primary causes of pollution came from burning wood, peat, and fossil fuels in conjunction with poor ventilation. [Source: <a href=\"https://sk.sagepub.com/reference/globalhealth/n621.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Global Health; Indoor Air Pollution</a>]"@en ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D016902.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/indoor_air_quality>, <https://concepts.sagepub.com/social-science/concept/air_pollution> ;
  skos:prefLabel "indoor air pollution"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/air_pollution>
  skos:prefLabel "air pollution"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/indoor_air_pollution> .

<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/indoor_air_pollution> .