assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:0080882 IAO:0000115 An anaplastic oligodendroglioma that has_material_basis_in IDH gene family mutation and combined whole-arm losses of 1p and 19q (1p/19q codeletion). xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.nature.com/articles/s41598-020-68733-5""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.pathologyoutlines.com/topic/cnstumoroligodendrogliomaidhmutant.html""}]}"