@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:-W53B1K38-8
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/circadian_rhythm_sleep_disorders> ;
  skos:narrower n9j:-SXTTK27S-R ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-SL5H59VT-V, n9j:-J33R1H2V-N ;
  skos:prefLabel "circadian rhythm sleep disorders"@en ;
  skos:exactMatch <https://id.nlm.nih.gov/mesh/D020178.html> .

n9j: a skos:ConceptScheme .
n9j:-SL5H59VT-V
  skos:prefLabel "dyssomnias"@en ;
  a skos:Concept ;
  skos:narrower n9j:-W53B1K38-8 .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-W53B1K38-8 .

n9j:-J33R1H2V-N
  skos:prefLabel "occupational diseases"@en ;
  a skos:Concept ;
  skos:narrower n9j:-W53B1K38-8 .

n9j:-SXTTK27S-R
  skos:prefLabel "jet lag syndrome"@en ;
  a skos:Concept ;
  skos:broader n9j:-W53B1K38-8 .