assertion  retraction  graph  subject       predicate        object         datatype    annotation
1          0           graph  DOID:0050773  rdfs:subClassOf  DOID:0050771   _IRI        
1          0           graph  DOID:0050773  oio:hasDbXref    OMIM:614165    xsd:string  
1          0           graph  DOID:0050773  oio:hasDbXref    OMIM:168000    xsd:string  
1          0           graph  DOID:0050773  rdf:type         owl:Class      _IRI        
1          0           graph  DOID:0050773  oio:hasDbXref    OMIM:PS168000  xsd:string