assertion  retraction  graph  subject       predicate    object                                                                                                                                                                                datatype    annotation
1          0           graph  DOID:0081247  IAO:0000115  A chondrosarcoma that is an aggressive morphologic variant of chondrosarcoma. It is composed of a low grade chondrosarcoma and a high grade non-cartilagenous sarcomatous component.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/34734747/""}]}"