@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

nalt:8450
  skos:prefLabel "propiedades médicas"@es, "medicinal properties"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:26922 .

nalt:9555
  skos:prefLabel "diseño experimental"@es, "experimental design"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:26922 .

nalt:26922
  ns0:marc001 "51080" ;
  skos:altLabel "sham treatment"@en ;
  skos:related nalt:26917, nalt:8450, nalt:34638 ;
  a skos:Concept, ns0:Topic ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:hiddenLabel "sham treatments"@en, "placebo"@en ;
  skos:prefLabel "placebos"@es, "placebos"@en ;
  skos:definition nalt:26922_def ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:broader nalt:9555 ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C19518>, <http://id.cabi.org/cabt/91447> ;
  dc:modified "2015-03-09"^^xsd:date .

nalt:34638
  skos:prefLabel "evaluación de fármacos"@es, "drug evaluation"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:26922 .

nalt:26922_def
  rdf:value "Cualquier medicamento o tratamiento simulado."@es, "Any dummy medication or treatment. Although placebos originally were medicinal preparations having no specific pharmacological activity against a targeted condition, the concept has been extended to include treatments or procedures, especially those administered to control groups in clinical trials in order to provide baseline measurements for the experimental protocol."@en ;
  dc:source "Medical Subject Headings 2012" ;
  a ns0:Definition .

ns0:Topic
  rdfs:label "Topic"@en ;
  a owl:Class .

nalt:26917
  skos:prefLabel "ensayos clínicos"@es, "clinical trials"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:26922 .

<https://lod.nal.usda.gov/nalt>
  rdfs:label "NALT Full"@en ;
  a skos:ConceptScheme .