assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:4905 oio:hasRelatedSynonym Pancreatic carcinoma, familial xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""MESH:C535837""}]}" 1 0 graph DOID:4905 oio:hasRelatedSynonym Pancreatic carcinoma, familial @en