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

<https://lod.nal.usda.gov/naltv#marc001> rdfs:label "Field 001 in MARC Authority Format"@en .
nalt:137085_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "A study in which groups with and without an intervention of interest are followed over time."@en, "Estudio en el cual los grupos con y sin una intervención de intereses dan seguimiento en el tiempo."@es ;
  dc:source "NAL Thesaurus Staff" .

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

<https://lod.nal.usda.gov/naltv#Topic>
  a owl:Class ;
  rdfs:label "Topic"@en .

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

nalt:27740
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:137085 ;
  skos:prefLabel "estudios de cohortes"@es, "cohort studies"@en .

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

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

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