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

nalt:142441
  skos:prefLabel "encuestas sobre enfermedades"@es, "disease surveys"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:37565 .

nalt:37565_def
  rdf:value "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, "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 ;
  dc:source "Medical Subject Headings" ;
  skos:inScheme <https://lod.nal.usda.gov/nalt> ;
  a <https://lod.nal.usda.gov/naltv#Definition> .

nalt:61591
  skos:prefLabel "factores de riesgo"@es, "risk factors"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:37565 .

<https://lod.nal.usda.gov/nalt-core>
  rdfs:label "NALT Core"@es, "NALT Core"@en ;
  a skos:ConceptScheme .

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

nalt:142425
  skos:prefLabel "encuestas serológicas"@es, "serological surveys"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:37565 .

nalt:137073
  skos:prefLabel "estudios de caso y control"@es, "case-control studies"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:37565 .

nalt:137115
  skos:prefLabel "cociente de las probabilidades"@es, "odds ratio"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:related nalt:37565 .

nalt:37565
  skos:related nalt:61591, nalt:137115 ;
  skos:hiddenLabel "epidemiologic analysis"@en, "epidemiological investigations"@en, "epidemiologic investigations"@en, "epidemiological risk"@en, "epidemiologic analyses"@en, "epidemiologic surveys"@en, "epidemiological investigation"@en, "epidemiological study"@en, "epidemiological attributes"@en, "epidemiologic investigation"@en, "epidemiological attribute"@en, "epidemiological analyses"@en, "epidemiological-studies"@en, "epidemiological analysis"@en, "epidemiologic study"@en, "risk epidemiology"@en, "epidemiological survey"@en, "epidemiological-attributes"@en ;
  skos:narrower nalt:142441, nalt:137073, nalt:27740, nalt:142425 ;
  skos:altLabel "epidemiological surveys"@en, "epidemiologic survey"@en, "epidemiologic studies"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:149 ;
  dc:created "2006-01-19"^^xsd:date ;
  skos:definition nalt:37565_def ;
  skos:prefLabel "estudios epidemiológicos"@es, "epidemiological studies"@en ;
  skos:inScheme <https://lod.nal.usda.gov/nalt-core>, <https://lod.nal.usda.gov/nalt> ;
  dc:modified "2020-07-16"^^xsd:date .

nalt:27740
  skos:prefLabel "estudios de cohortes"@es, "cohort studies"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:broader nalt:37565 .

nalt:149
  skos:prefLabel "epidemiología"@es, "epidemiology"@en ;
  a <https://lod.nal.usda.gov/naltv#Topic>, skos:Concept ;
  skos:narrower nalt:37565 .