@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

n9j:-QX3KKF8K-0
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/retrospective_studies> ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-HS11NX3C-W, n9j:-L5QFL68H-X ;
  skos:prefLabel "retrospective studies"@en ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D012189.html> .

n9j: a skos:ConceptScheme .
n9j:-HS11NX3C-W
  skos:prefLabel "case-control studies"@en ;
  a skos:Concept ;
  skos:narrower n9j:-QX3KKF8K-0 .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-QX3KKF8K-0 .

n9j:-L5QFL68H-X
  skos:prefLabel "cohort studies"@en ;
  a skos:Concept ;
  skos:narrower n9j:-QX3KKF8K-0 .