@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/epidemiologic_studies>
  skos:narrower <https://concepts.sagepub.com/social-science/concept/cohort_studies>, <https://concepts.sagepub.com/social-science/concept/seroepidemiologic_studies>, <https://concepts.sagepub.com/social-science/concept/cross-sectional_studies>, <https://concepts.sagepub.com/social-science/concept/case-control_studies> ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D016021.html> ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/epidemiologic_study_characteristics_as_topic> ;
  skos:prefLabel "epidemiologic studies"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/epidemiologic_study_characteristics_as_topic>
  skos:prefLabel "epidemiologic study characteristics as topic"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/epidemiologic_studies> .

<https://concepts.sagepub.com/social-science/concept/cohort_studies>
  skos:prefLabel "cohort studies"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/epidemiologic_studies> .

<https://concepts.sagepub.com/social-science/concept/case-control_studies>
  skos:prefLabel "case-control studies"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/epidemiologic_studies> .

<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/epidemiologic_studies> .

<https://concepts.sagepub.com/social-science/concept/cross-sectional_studies>
  skos:prefLabel "cross-sectional studies"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/epidemiologic_studies> .

<https://concepts.sagepub.com/social-science/concept/seroepidemiologic_studies>
  skos:prefLabel "seroepidemiologic studies"@en ;
  a skos:Concept ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/epidemiologic_studies> .