assertion  retraction  graph  subject       predicate      object        datatype    annotation
1          0           graph  DOID:0050902  oio:hasDbXref  MESH:D008527  xsd:string  
1          0           graph  DOID:3869     oio:hasDbXref  MESH:D008527  xsd:string  
1          0           graph  DOID:3868     oio:hasDbXref  MESH:D008527  xsd:string  
1          0           graph  DOID:3864     oio:hasDbXref  MESH:D008527  xsd:string  
1          0           graph  DOID:3861     oio:hasDbXref  MESH:D008527  xsd:string