assertion  retraction  graph  subject    predicate      object                           datatype    annotation
1          0           graph  DOID:1800  oio:hasDbXref  SNOMEDCT_US_2023_03_01:55937004  xsd:string  
1          0           graph  DOID:169   oio:hasDbXref  SNOMEDCT_US_2023_03_01:55937004  xsd:string