@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 rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .

nalt:137085
  skos:related nalt:30211, nalt:137077, nalt:137083 ;
  skos:hiddenLabel "quasi-prospective studies"@en, "prospective investigations"@en, "quasi-prospective study"@en, "prospective clinical trial"@en, "prospective-studies"@en, "European Prospective Investigation"@en, "prospective study"@en, "prospective investigation"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:altLabel "prospective clinical trials"@en ;
  dc:source "Joint Institute for Food Safety and Applied Nutrition (JIFSAN)" ;
  skos:broader nalt:27740 ;
  dc:created "2010-09-01"^^xsd:date ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  skos:prefLabel "prospective studies"@en, "estudios prospectivos"@es ;
  skos:definition nalt:137085_def ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C18423> ;
  ns0:marc001 "59186" ;
  dc:modified "2016-09-14"^^xsd:date .

nalt:137083
  skos:prefLabel "estudios retrospectivos"@es, "retrospective studies"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:137085 .

nalt:137077
  skos:prefLabel "estudios de observación"@es, "observational studies"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:137085 .

nalt:30211
  skos:prefLabel "estudios longitudinales"@es, "longitudinal studies"@en ;
  a ns0:Topic, skos:Concept ;
  skos:related nalt:137085 .

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

nalt:137085_def
  rdf:value "Estudio en el cual los grupos con y sin una intervención de intereses dan seguimiento en el tiempo."@es, "A study in which groups with and without an intervention of interest are followed over time."@en ;
  dc:source "NAL Thesaurus Staff" ;
  a ns0:Definition .

<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:narrower nalt:137085 .