@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/morphine_derivatives>
  skos:prefLabel "morphine derivatives"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .

<https://concepts.sagepub.com/social-science/concept/drug_classification>
  skos:prefLabel "drug classification"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .

<https://concepts.sagepub.com/social-science/concept/substance_abuse>
  skos:prefLabel "substance abuse"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .

<https://concepts.sagepub.com/social-science/concept/heroin>
  skos:broader <https://concepts.sagepub.com/social-science/concept/substance_abuse>, <https://concepts.sagepub.com/social-science/concept/opiates>, <https://concepts.sagepub.com/social-science/concept/types_of_drugs>, <https://concepts.sagepub.com/social-science/concept/crimes_and_criminal_markets>, <https://concepts.sagepub.com/social-science/concept/morphine_derivatives>, <https://concepts.sagepub.com/social-science/concept/drug_classification>, <https://concepts.sagepub.com/social-science/concept/controlled_drugs> ;
  skos:definition "Heroin, chemical formula C21H23NO5, is a drug that is created from extracts of the opium poppy plant. An imitator of endorphins, heroin is known to create a sense of euphoria and well-being a short time after being introduced into the bloodstream. [Source: <a href=\"https://sk.sagepub.com/reference/substance/n178.xml\" target=\"_blank\" data-id=\"to-sk\">Encyclopedia of Substance Abuse Prevention, Treatment, &amp; Recovery; Heroin</a>]"@en ;
  skos:prefLabel "heroin"@en ;
  a skos:Concept .

<https://concepts.sagepub.com/social-science/concept/controlled_drugs>
  skos:prefLabel "controlled drugs"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .

<https://concepts.sagepub.com/social-science/concept/types_of_drugs>
  skos:prefLabel "types of drugs"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .

<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/heroin> .

<https://concepts.sagepub.com/social-science/concept/crimes_and_criminal_markets>
  skos:prefLabel "crimes and criminal markets"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .

<https://concepts.sagepub.com/social-science/concept/opiates>
  skos:prefLabel "opiates"@en ;
  a skos:Concept ;
  skos:narrower <https://concepts.sagepub.com/social-science/concept/heroin> .