3 12 0 http://purl.obolibrary.org/obo/IAO_0000429 email address 'email address' SubClassOf 'is about' some http://purl.obolibrary.org/obo/OPMI_0000383 http://purl.obolibrary.org/obo/OPMI_0000293 investigator 'investigator' EquivalentTo 'has role' some http://purl.obolibrary.org/obo/OPMI_0000390 http://purl.obolibrary.org/obo/OPMI_0000112 telephone number 'telephone number' SubClassOf 'is about' some http://purl.obolibrary.org/obo/OPMI_0000383 http://purl.obolibrary.org/obo/OPMI_0000395 central contact person of study 'central contact person of study' SubClassOf 'contact person' http://purl.obolibrary.org/obo/OPMI_0000396 central contact backup of study 'central contact backup of study' SubClassOf 'contact person' http://purl.obolibrary.org/obo/OPMI_0000393 contact for public queries 'contact for public queries' SubClassOf 'contact person' http://purl.obolibrary.org/obo/OPMI_0000394 overall study official 'overall study official' SubClassOf 'Homo sapiens' http://purl.obolibrary.org/obo/OPMI_0000391 contact person role 'contact person role' SubClassOf 'role' http://purl.obolibrary.org/obo/OPMI_0000392 Topical ocular hypotensive eye drops 'Topical ocular hypotensive eye drops' SubClassOf 'medical procedure' http://purl.obolibrary.org/obo/OPMI_0000390 investigator role 'investigator role' SubClassOf 'investigation agent role' http://purl.obolibrary.org/obo/OPMI_0000397 contact person information 'contact person information' EquivalentTo 'information content entity' and ('is about' some 'contact person') 'contact person information' SubClassOf 'is about' some 'contact person' 'contact person information' SubClassOf 'information content entity' http://purl.obolibrary.org/obo/OPMI_0000384 facility contact 'facility contact' SubClassOf 'contact person' http://purl.obolibrary.org/obo/OPMI_0000383 contact person 'contact person' EquivalentTo 'has role' some 'contact person role' 'contact person' SubClassOf 'Homo sapiens' http://purl.obolibrary.org/obo/OPMI_0000388 facility contact backup 'facility contact backup' SubClassOf 'contact person' http://purl.obolibrary.org/obo/OPMI_0000389 contact of scientific queries 'contact of scientific queries' SubClassOf 'contact person'