@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:27740_def
  a <https://lod.nal.usda.gov/naltv#Definition> ;
  rdf:value "Estudios en que se identifican subconjuntos de una población definida. Las cohortes son poblaciones definidas que, en conjunto, son observadas para tratar de determinar características distintivas del subgrupo."@es, "Studies in which subsets of a defined population are identified. These groups may or may not be exposed to factors hypothesized to influence the probability of the occurrence of a particular disease or other outcome. Cohorts are defined populations which, as a whole, are followed in an attempt to determine distinguishing subgroup characteristics."@en ;
  dc:source "Medical Subject Headings 2012" .

<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:27740
  a skos:Concept, <https://lod.nal.usda.gov/naltv#Topic> ;
  dc:created "2006-01-19"^^xsd:date ;
  dc:modified "2018-11-16"^^xsd:date ;
  skos:broader nalt:37565 ;
  skos:definition nalt:27740_def ;
  skos:exactMatch <http://id.cabi.org/cabt/30670>, <http://id.agrisemantics.org/gacs/C12078> ;
  skos:inScheme <https://lod.nal.usda.gov/nalt>, <https://lod.nal.usda.gov/nalt-core> ;
  skos:narrower nalt:137085 ;
  skos:prefLabel "cohort studies"@en, "estudios de cohortes"@es ;
  skos:related nalt:30211, nalt:137083, nalt:137108 ;
  ns0:marc001 "50775" .

nalt:137085
  a ns0:Topic, skos:Concept ;
  skos:broader nalt:27740 ;
  skos:prefLabel "estudios prospectivos"@es, "prospective studies"@en .

nalt:137108
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "estudios descriptivos"@es, "descriptive studies"@en ;
  skos:related nalt:27740 .

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

nalt:30211
  a ns0:Topic, skos:Concept ;
  skos:prefLabel "estudios longitudinales"@es, "longitudinal studies"@en ;
  skos:related nalt:27740 .

nalt:37565
  a ns0:Topic, skos:Concept ;
  skos:narrower nalt:27740 ;
  skos:prefLabel "estudios epidemiológicos"@es, "epidemiological studies"@en .