assertion retraction graph subject predicate object datatype annotation 1 0 graph ONTIE:0003589 rdfs:label viral titer nasal turbinates xsd:string 1 0 graph ONTIE:0003589 IAO:0000234 CoVIC-DB xsd:string 1 0 graph ONTIE:0003589 IAO:0000115 An in vivo protection assay based on viral titer in nasal turbinates measured in PFU/ml. xsd:string 1 0 graph ONTIE:0003589 rdfs:subClassOf OBI:0000070 _IRI 1 0 graph ONTIE:0003589 rdf:type owl:Class _IRI