assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:4739 IAO:0000115 A testicular cancer that has_material_basis_in the surface epithelium of the testis and is characterized by the presence of cysts lined by transitional cells and solid nests of transitional cells in a spindle cell stroma. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007636""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&version=16.12d&ns=NCI_Thesaurus&code=C39953""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5245059/""}]}"