@prefix nalt: <https://lod.nal.usda.gov/nalt/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix ns0: <https://lod.nal.usda.gov/naltv#> .
@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:137085
  skos:prefLabel "estudios prospectivos"@es, "prospective studies"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:137083 .

nalt:137083
  skos:related nalt:137085, nalt:27740, nalt:137073 ;
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:modified "2017-07-06"^^xsd:date ;
  skos:prefLabel "retrospective studies"@en, "estudios retrospectivos"@es ;
  skos:hiddenLabel "retrospective analyses"@en, "retrospective-studies"@en, "retrospective analysis"@en, "retrospective evaluations"@en, "retrospective study"@en, "retrospective evaluation"@en ;
  skos:broader nalt:9146 ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C22278>, <http://id.cabi.org/cabt/100316> ;
  ns0:marc001 "59211" ;
  dc:created "2010-09-01"^^xsd:date ;
  dc:source "Joint Institute for Food Safety and Applied Nutrition (JIFSAN)" ;
  skos:definition nalt:137083_def .

nalt:137083_def
  rdf:value "Tipo de estudio no experimental en el cual todos los fenómenos investigados ocurren antes de iniciar el estudio."@es, "A kind of nonexperimental study in which all the phenomena investigated occurs prior to the onset of the study."@en ;
  dc:source "National Institute of Standards and Technology" ;
  a ns0:Definition .

nalt:9146
  skos:prefLabel "métodos de investigación"@es, "research methods"@en ;
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:137083 .

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

nalt:137073
  skos:prefLabel "estudios de caso y control"@es, "case-control studies"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:137083 .

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

nalt:27740
  skos:prefLabel "estudios de cohortes"@es, "cohort studies"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:137083 .