assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:419 IAO:0000115 A rheumatic disease that involves the abnormal growth of connective tissue, which supports the skin and internal organs. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://www.niams.nih.gov/Health_Info/Scleroderma/default.asp""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://scleroderma.org/""}]}"