assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:133 IAO:0000115 A vaginal benign neoplasm that presents in childhood and is considered to be of Mullerian origin. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pubmed/26948653""}]}"