# OnCo record paper-cohen-ctdna-protein-liquid-biopsy-pancreatic-pnas-2017 (paper). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/key-papers/paper-cohen-ctdna-protein-liquid-biopsy-pancreatic-pnas-2017/>
  a schema:ScholarlyArticle ;
  onco:kind "paper" ;
  schema:identifier "paper-cohen-ctdna-protein-liquid-biopsy-pancreatic-pnas-2017" ;
  schema:name "Combined circulating tumor DNA and protein biomarker-based liquid biopsy for the earlier detection of pancreatic cancers"@en ;
  schema:description "A blood test combining KRAS mutations with four proteins found 64% of 221 operable pancreatic cancers while wrongly flagging only one of 182 people without cancer."@en ;
  schema:url <https://onco.cc/key-papers/paper-cohen-ctdna-protein-liquid-biopsy-pancreatic-pnas-2017/> ;
  schema:dateModified "2026-09-24"^^xsd:date ;
  schema:citation <https://doi.org/10.1073/pnas.1704961114>, <https://pubmed.ncbi.nlm.nih.gov/28874546/> ;
  schema:sameAs <https://doi.org/10.1073/pnas.1704961114> ;
  schema:datePublished "2017"^^xsd:gYear ;
  schema:author "Cohen JD, Javed AA, Thoburn C, et al." ;
  onco:cancers <https://onco.cc/cancers/pancreatic/>, <https://onco.cc/cancers/resectable-pdac/> ;
  onco:technologies <https://onco.cc/technologies/liquid-biopsy/>, <https://onco.cc/technologies/mced/>, <https://onco.cc/technologies/proteomics/> ;
  onco:targets <https://onco.cc/targets/kras/> ;
  onco:institutions <https://onco.cc/institutions/johns-hopkins/> ;
  onco:terms <https://onco.cc/terms/ctdna/>, <https://onco.cc/terms/cfdna/>, <https://onco.cc/terms/ca19-9/> ;
  onco:people <https://onco.cc/people/bert-vogelstein/>, <https://onco.cc/people/nickolas-papadopoulos/> ;
  onco:journals <https://onco.cc/journals/pnas/> .