assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:7146 IAO:0000115 A histiocytic and dendritic cell cancer that derives from the lymph nodes, derives from the skin, derives from the liver, derives from the spleen and derives from bones. xsd:string "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007638""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007645""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://en.wikipedia.org/wiki/Langerhans_cell_sarcoma""},{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/25805533/""}]}"