assertion  retraction  graph  subject    predicate    object                                                                                                                                              datatype    annotation
1          0           graph  DOID:2696  IAO:0000115  A sex cord-gonadal stromal tumor that secretes testosterone characterized by excessive proliferation of Leydig cells located_in ovary or testicle.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Leydig_cell_tumour""}]}"