assertion  retraction  graph  subject       predicate    object                                                                                                                                                                                                datatype    annotation
1          0           graph  DOID:0080915  IAO:0000115  A histiocytic and dendritic cell cancer that is characterized by the presence of neoplastic cells with morphologic and immunophenotypic characteristics similar to those seen in mature histiocytes.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520642/""}]}"