assertion  retraction  graph  subject    predicate            object                            datatype    annotation
1          0           graph  DOID:8997  oio:hasDbXref        GARD:7422                         xsd:string  
1          0           graph  DOID:8997  oio:hasExactSynonym  chronic erythremia                xsd:string  
1          0           graph  DOID:8997  oio:hasDbXref        SNOMEDCT_US_2023_03_01:154644004  xsd:string  
1          0           graph  DOID:8997  oio:hasDbXref        OMIM:263300                       xsd:string  
1          0           graph  DOID:8997  oio:hasExactSynonym  Polycythaemia rubra vera          @en         
1          0           graph  DOID:8997  oio:hasDbXref        ICD10CM:D45                       xsd:string  
1          0           graph  DOID:8997  oio:hasDbXref        ICDO:9950/3                       xsd:string