assertion  retraction  graph  subject       predicate    object                                                                                                                 datatype    annotation
1          0           graph  DOID:0080602  IAO:0000115  A germ cell benign neoplasm that derives_from mature tissue elements or a limited amount of immature tissue elements.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&code=C67107&ns=ncit""}]}"