@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:-KT46GZLV-P
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/gateway_drugs_theory> ;
  skos:definition "Initiation of substance use usually occurs in nonrandom but trivial temporal order. Unsurprisingly, the use of any substances is preceded by nonuse, and the first use of illicit drugs is usually preceded by consumption of licit substances. [Source: Encyclopedia of Substance Abuse Prevention, Treatment, & Recovery; Gateway Drugs Theory]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-BMPPX9CN-V ;
  skos:prefLabel "gateway drugs theory"@en .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-KT46GZLV-P .

n9j:-BMPPX9CN-V
  skos:prefLabel "prevention theories, research, techniques, strategies, and effectiveness"@en ;
  a skos:Concept ;
  skos:narrower n9j:-KT46GZLV-P .

n9j: a skos:ConceptScheme .