@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:37565_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Studies designed to examine associations or commonly, hypothesized causal relations. They are usually concerned with identifying or measuring the effects of risk factors or exposures."@en, "Estudios diseñados para examinar asociaciones o relaciones causales comúnmente supuestas. Generalmente tienen que ver con la identificación de medición de factores de riesgo o exposiciones."@es ;
  dc:source "Medical Subject Headings" .

<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:37565
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2020-07-16"^^xsd:date ;
  skos:altLabel "epidemiologic studies"@en, "epidemiologic survey"@en, "epidemiological surveys"@en ;
  skos:broader nalt:149, nalt:287259 ;
  skos:definition nalt:37565_def ;
  skos:exactMatch <http://id.agrisemantics.org/gacs/C3081> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:137106, nalt:243796, nalt:341427, nalt:137073, nalt:302233, nalt:142425, nalt:142441, nalt:27740, nalt:222485 ;
  skos:prefLabel "epidemiological studies"@en, "estudios epidemiológicos"@es ;
  skos:related nalt:137115, nalt:61591 ;
  ns0:marc001 "50839" .

nalt:137106
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "investigación del conglomerado"@es, "cluster investigation"@en .

nalt:243796
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "genome-wide association study"@en, "estudio de asociación del genoma completo"@es .

nalt:341427
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "estudios ecológicos"@es, "ecological studies"@en .

nalt:222485
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "estudios cruzados"@es, "cross-over studies"@en .

nalt:27740
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "estudios de cohortes"@es, "cohort studies"@en .

nalt:287259
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:37565 ;
  skos:prefLabel "encuestas de salud"@es, "health surveys"@en .

nalt:142441
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "encuestas sobre enfermedades"@es, "disease surveys"@en .

nalt:142425
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "serological surveys"@en, "encuestas serológicas"@es .

nalt:137115
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "cociente de las probabilidades"@es, "odds ratio"@en ;
  skos:related nalt:37565 .

nalt:302233
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "estudios de viabilidad"@es, "feasibility studies"@en .

nalt:137073
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:37565 ;
  skos:prefLabel "estudios de caso y control"@es, "case-control studies"@en .

nalt:61591
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "factores de riesgo"@es, "risk factors"@en ;
  skos:related nalt:37565 .

nalt:149
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:37565 ;
  skos:prefLabel "epidemiología"@es, "epidemiology"@en .