@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/CD4_lymphocyte_count>
  skos:prefLabel "CD4 lymphocyte count"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/CD4-CD8_ratio> .

<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/CD4-CD8_ratio> .

<https://concepts.sagepub.com/social-science/concept/CD4-CD8_ratio>
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D016516.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/CD4_lymphocyte_count> ;
  skos:prefLabel "CD4-CD8 ratio"@en ;
  a skos:Concept .