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

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-R4TWVDK3-M .

n9j:-TQ0RTPNV-B
  skos:prefLabel "studies of aging"@en ;
  a skos:Concept ;
  skos:narrower n9j:-R4TWVDK3-M .

n9j: a skos:ConceptScheme .
n9j:-R4TWVDK3-M
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/Health_and_Retirement_Study> ;
  skos:definition "The Health and Retirement Study (HRS), founded in 1990, is an ongoing panel (cohort) population study of older Americans supported by the U.S. National Institute on Aging (NIA) with additional support from other U.S. federal agencies. Design details, documentation, questionnaires, and the historical and scientific evolution of the HRS can be found on the HRS website (). [Source: Encyclopedia of Health & Aging; Health and Retirement Study]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-TQ0RTPNV-B ;
  skos:prefLabel "Health and Retirement Study"@en .