assertion  retraction  graph  subject    predicate    object                                                                                            datatype    annotation
1          0           graph  DOID:4514  IAO:0000115  A thyroid sarcoma and angiosarcoma that results_in a high prevalence of iodine-deficient goiter.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.pathologyoutlines.com/thyroid.html""}]}"