assertion  retraction  graph  subject           predicate    object                                                                               datatype    annotation
1          0           graph  obo:SYMP_0000890  IAO:0000115  A fever that is characterized by  body temperature periodically rising and falling.  xsd:string  "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://www.merckmanuals.com/professional/infectious-diseases/spirochetes/relapsing-fever""}]}"