assertion  retraction  graph  subject     predicate      object       datatype    annotation
1          0           graph  DOID:2921   oio:hasDbXref  ICD10CM:N08  xsd:string  
1          0           graph  DOID:557    oio:hasDbXref  ICD10CM:N08  xsd:string  
1          0           graph  DOID:10952  oio:hasDbXref  ICD10CM:N08  xsd:string