assertion  retraction  graph  subject    predicate    object                                                                                                                                                                                                                                datatype    annotation
1          0           graph  DOID:5521  IAO:0000115  A squamous cell carcinoma that presents as single, isolated cells with bizarre cytoplasmic shapes, intense cytoplasmic eosinophilia, and intensely hyperchromatic, angular nuclei in a background of necrotic and keratinous debris.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007646""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:http://books.google.com/books?id=TQju7e__pRIC&pg=PA1132&lpg=PA1132&dq#v=onepage&q&f=false""}]}"