assertion  retraction  graph  subject       predicate    object                                                                                                                                                                                 datatype    annotation
1          0           graph  DOID:0050610  IAO:0000115  An in situ carcinoma of the oral cavity that is located_in the epithelium. It is the most common cause of leukoplakia and associated with the development of squamous cell carcinoma.  xsd:string  "{""dce:type"":[{""datatype"":""_IRI"",""meta"":""owl:Axiom"",""object"":""obo:ECO_0007637""}],""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.dermnetnz.org/topics/carcinoma-in-situ-of-oral-cavity/""}]}"