assertion  retraction  graph  subject    predicate    object                                                                                                                                                             datatype    annotation
1          0           graph  DOID:6231  IAO:0000115  An ovarian biphasic or triphasic teratoma that is composed exclusively of mature tissues derived from two or three germ layers (ectoderm, mesoderm and endoderm).  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/20212374""}]}"