assertion  retraction  graph  subject     predicate    object                                                               datatype    annotation
1          0           graph  DOID:10022  IAO:0000115  A duodenal benign neoplasm that is located_in the ampulla of Vater.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5620475/""}]}"