assertion  retraction  graph  subject       predicate    object                                                                                                                                            datatype    annotation
1          0           graph  DOID:0080799  IAO:0000115  A nasal cavity carcinoma that arises from the sinonasal tract and that is characterized by the presence of small to medium size malignant cells.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://pubmed.ncbi.nlm.nih.gov/30806835/""}]}"