@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .

<https://concepts.sagepub.com/social-science/concept/alcohol_use>
  skos:definition "Beverage alcohol results from fermentation of substances containing simple sugars and is catalyzed by yeast. Given that substances containing sugar and yeast occur widely in nature, alcohol was “discovered” early and often in the development of civilization. [Source: <a href=\"https://methods.sagepub.com/reference/encyc-of-epidemiology/n9.xml\" target=\"_blank\" data-id=\"to-srm\">Encyclopedia of Epidemiology; Alcohol Use</a>]"@en ;
  skos:broader <https://concepts.sagepub.com/social-science/concept/drug_use> ;
  skos:prefLabel "alcohol use"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/conceptgroup/concepts>
  a skos:Collection, isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member <https://concepts.sagepub.com/social-science/concept/alcohol_use> .

<https://concepts.sagepub.com/social-science/concept/drug_use>
  skos:prefLabel "drug use"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/alcohol_use> .