# OnCo record paper-barchuk-registry-validity-acta-oncol-2021 (paper). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
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@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/key-papers/paper-barchuk-registry-validity-acta-oncol-2021/>
  a schema:ScholarlyArticle ;
  onco:kind "paper" ;
  schema:identifier "paper-barchuk-registry-validity-acta-oncol-2021" ;
  schema:name "Comparability and validity of cancer registry data in the north-west of Russia"@en ;
  schema:description "An audit of ten Russian regional cancer registries against international rules found four of the ten fit to compare with other countries, with morphological verification as low as 62 per cent in some regions and up to 23 per cent of Saint Petersburg cases known only from a death certificate."@en ;
  schema:url <https://onco.cc/key-papers/paper-barchuk-registry-validity-acta-oncol-2021/> ;
  schema:dateModified "2026-09-25"^^xsd:date ;
  schema:citation <https://doi.org/10.1080/0284186X.2021.1967443>, <https://pubmed.ncbi.nlm.nih.gov/34424113/>, <https://europepmc.org/article/MED/34424113> ;
  schema:sameAs <https://doi.org/10.1080/0284186X.2021.1967443> ;
  schema:datePublished "2021"^^xsd:gYear ;
  schema:author "Barchuk A, Tursun-Zade R, Belayev A, et al." ;
  onco:institutions <https://onco.cc/institutions/petrov-institute/> ;
  onco:journals <https://onco.cc/journals/acta-oncologica/> .