@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:-MB48CG9B-5
  skos:prefLabel "drug classification"@en ;
  a skos:Concept ;
  skos:narrower n9j:-RR259QMR-M .

n9j:-RR259QMR-M
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/illicit_and_illegal_drugs> ;
  skos:definition "Substance abuse is among the major public health concerns of the 20th century. However defined, excessive use of illegal drugs and prescribed medications is an all-too-common societal problem, not only in the United States, but across the globe. [Source: Encyclopedia of Substance Abuse Prevention, Treatment, & Recovery; Illicit and Illegal Drugs]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-MB48CG9B-5 ;
  skos:prefLabel "illicit and illegal drugs"@en .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-RR259QMR-M .

n9j: a skos:ConceptScheme .