assertion  retraction  graph  subject  predicate        object                                                                                                                                                   datatype    annotation
1          0           graph  DOID:28  rdfs:label       endocrine system disease                                                                                                                                 xsd:string  
1          0           graph  DOID:28  IAO:0000115      A disease of anatomical entity that is located_in endocrine glands which secretes a type of hormone directly into the bloodstream to regulate the body.  xsd:string  
1          0           graph  DOID:28  rdfs:subClassOf  DOID:7                                                                                                                                                   _IRI        
1          0           graph  DOID:28  rdf:type         owl:Class                                                                                                                                                _IRI