assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:12259 IAO:0000115 A blood coagulation disease that has_material_basis_in Factor IX deficiency, which makes coagulation much more prolonged. The disease is inherited as an X-linked recessive trait. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007640""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.nlm.nih.gov/medlineplus/ency/article/000539.htm""}]}"