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

n9j: a skos:ConceptScheme .
n9j:-MB48CG9B-5
  skos:prefLabel "drug classification"@en ;
  a skos:Concept ;
  skos:narrower n9j:-X6KWKRR3-7 .

n9j:-HZQD60C2-B
  skos:prefLabel "substance abuse"@en ;
  a skos:Concept ;
  skos:narrower n9j:-X6KWKRR3-7 .

n9j:-X6KWKRR3-7
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/cocaine_and_crack> ;
  skos:definition "Cocaine hydrochloride (a white powder) and crack (a solidified version of cocaine hydrochloride) come from the coca leaf, grown mostly in the mountains of South America. Cocaine and crack are Schedule II stimulants that produce intense but short-term euphoria and increased energy levels. [Source: Encyclopedia of Social Problems; Cocaine and Crack]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-HZQD60C2-B, n9j:-MB48CG9B-5 ;
  skos:prefLabel "cocaine and crack"@en .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-X6KWKRR3-7 .