4 4 4 http://purl.obolibrary.org/obo/APOLLO_SV00000523 employment status data item 'employment status data item' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV00000524 total disease cases 'total disease cases' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV00000522 contaminated abiotic thing 'contaminated abiotic thing' SubClassOf 'abiotic ecosystem element' http://purl.obolibrary.org/obo/APOLLO_SV00000525 total fatal disease cases 'total fatal disease cases' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV_00000568 total fatal disease cases 'total fatal disease cases' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV_00000570 employment status data item 'employment status data item' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV_00000571 contaminated abiotic thing 'contaminated abiotic thing' SubClassOf 'abiotic ecosystem element' http://purl.obolibrary.org/obo/APOLLO_SV00000569 total disease cases 'total disease cases' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV00000523 employment status data item 'employment status data item' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV00000524 total disease cases 'total disease cases' SubClassOf 'data item' http://purl.obolibrary.org/obo/APOLLO_SV00000522 contaminated abiotic thing 'contaminated abiotic thing' SubClassOf 'abiotic ecosystem element' http://purl.obolibrary.org/obo/APOLLO_SV00000525 total fatal disease cases 'total fatal disease cases' SubClassOf 'data item'