assertion  retraction  graph  subject    predicate            object                            datatype    annotation
1          0           graph  DOID:1799  oio:hasExactSynonym  islet cell tumour                 @en         
1          0           graph  DOID:1799  oio:hasDbXref        UMLS_CUI:C0496784                 xsd:string  
1          0           graph  DOID:1799  oio:hasDbXref        SNOMEDCT_US_2023_03_01:254611009  xsd:string