assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:3458 IAO:0000115 A breast carcinoma that originates in the milk ducts and/or lobules (glandular tissue) of the breast. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.virtualmedicalcentre.com/diseases.asp?did=696""}]}"