assertion  retraction  graph  subject    predicate    object                                             datatype    annotation
1          0           graph  DOID:4678  IAO:0000115  A mucoepidermoid carcinoma located_in the thymus.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.pathologyoutlines.com/topic/salivaryglandsMEC.html""}]}"