assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:1037 IAO:0000115 A leukemia that has_material_basis_in a B-cell or T-cell lineage involving primarily the bone marrow and the peripheral blood. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007641""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.cancer.gov/dictionary?CdrID=616067""}]}"