assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0081090 IAO:0000115 An acute myeloid leukemia with double mutations of the CEBPA gene. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5394975/""}]}"