assertion  retraction  graph  subject       predicate    object                                                                                                                                                        datatype    annotation
1          0           graph  DOID:0050936  IAO:0000115  A malignant pheochromocytoma that originate in the ganglia of the sympathetic nervous system and are named based upon the primary anatomical site of origin.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Pheochromocytoma""}]}"