assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:1035 IAO:0000115 A leukemia that is characterized by the systemic proliferation of NK cells closely associated with Epstein-Barr virus and that is located_in the peripheral blood, bone marrow, liver, and spleen. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://en.wikipedia.org/wiki/Aggressive_NK-cell_leukemia""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C8647""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6191480/""}]}"