assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:5568 IAO:0000115 A teratoma that is located_in the mediastinum. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://radiopaedia.org/articles/mediastinal-teratoma,""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.sciencedirect.com/science/article/pii/S1755001709000323""}]}"