assertion  retraction  graph  subject    predicate    object                                      datatype    annotation
1          0           graph  DOID:5353  IAO:0000115  A intestinal disease located in the colon.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.nature.com/subjects/colonic-diseases""}]}"