assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:6054 rdfs:label frontal sinus Schneiderian papilloma xsd:string 1 0 graph DOID:6054 oio:inSubset obo:doid#NCIthesaurus _IRI 1 0 graph DOID:6054 oio:id DOID:6054 xsd:string 1 0 graph DOID:6054 oio:hasOBONamespace disease_ontology xsd:string 1 0 graph DOID:6054 oio:hasExactSynonym Schneiderian papilloma of the Frontal sinus @en 1 0 graph DOID:6054 oio:hasDbXref UMLS_CUI:C1333645 xsd:string 1 0 graph DOID:6054 oio:hasDbXref NCI:C6837 xsd:string 1 0 graph DOID:6054 rdfs:subClassOf DOID:1361 _IRI 1 0 graph DOID:6054 rdf:type owl:Class _IRI