assertion  retraction  graph  subject       predicate    object                                                                                                                                    datatype    annotation
1          0           graph  DOID:0050611  IAO:0000115  An in situ carcinoma of the pharynx that is located_in the epithelium. It is associated with the development of squamous cell carcinoma.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""},{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007641""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.cancer.gov/publications/dictionaries/cancer-terms/def/pharyngeal-cancer""}]}"