assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:6004 IAO:0000115 A leukemia that arises from changes in the tissues forming white blood cells and characterized by the absence of leukemic cells in the peripheral blood. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007643""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.merriam-webster.com/medical/aleukemic%20leukemia""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&ns=ncit&code=C4982""}]}"