assertion  retraction  graph  subject    predicate    object                                                                                     datatype    annotation
1          0           graph  DOID:1911  IAO:0000115  A germ cell cancer that has_material_basis_in cells that line the yolk sac of the embryo.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007636""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Endodermal_sinus_tumor""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Germ_cell_tumor""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=GB&Expert=876""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.cincinnatichildrens.org/health/y/yolk-sac/""}]}"