assertion  retraction  graph  subject   predicate            object                                 datatype    annotation
1          0           graph  DOID:170  oio:hasDbXref        ICD9CM:194.9                           xsd:string  
1          0           graph  DOID:170  oio:hasDbXref        NCI:C3010                              xsd:string  
1          0           graph  DOID:170  rdfs:label           endocrine gland cancer                 xsd:string  
1          0           graph  DOID:170  oio:hasExactSynonym  malignant neoplasm of endocrine gland  @en         
1          0           graph  DOID:170  oio:hasExactSynonym  malignant tumour of endocrine gland    @en