assertion  retraction  graph  subject    predicate    object                                                                                                                                                        datatype    annotation
1          0           graph  DOID:2632  IAO:0000115  A papillary adenocarcinoma that derives_from epithelial cells originating in glandular tissue, which form complex papillary structures with psammoma bodies.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ajronline.org/doi/10.2214/ajr.182.6.1821534""}]}"