@prefix ins: <http://data.loterre.fr/ark:/67375/INS> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .

ins: a skos:ConceptScheme .
ins:-SZT9L196-B
  skos:prefLabel "étude"@fr, "study"@en ;
  a skos:Concept ;
  skos:narrower ins:-JP991TVC-6 .

ins:-JP991TVC-6
  skos:definition "A randomized controlled trial (or randomized control trial; RCT) is a form of scientific experiment used to control factors not under direct experimental control. "@en ;
  a skos:Concept ;
  skos:inScheme ins: ;
  skos:broader ins:-SZT9L196-B ;
  skos:prefLabel "controlled trial"@en, "essai contrôlé"@fr ;
  skos:altLabel "randomized controlled trial"@en ;
  skos:exactMatch <https://en.wikipedia.org/wiki/Randomized_controlled_trial> .