assertion  retraction  graph  subject    predicate      object                            datatype    annotation
1          0           graph  DOID:1618  oio:hasDbXref  SNOMEDCT_US_2023_03_01:269640007  xsd:string  
1          0           graph  DOID:1625  oio:hasDbXref  SNOMEDCT_US_2023_03_01:269640007  xsd:string