Plant Ontology	Prostate Cancer Ontology	Source
http://www.semanticweb.org/ontologies/2018/1/ProstateCancer.owl#Fruit	http://purl.obolibrary.org/obo/PO_0009001	LOOM
http://www.semanticweb.org/ontologies/2018/1/ProstateCancer.owl#central_zone	http://purl.obolibrary.org/obo/PO_0000224	LOOM
http://www.semanticweb.org/ontologies/2018/1/ProstateCancer.owl#peripheral_zone	http://purl.obolibrary.org/obo/PO_0000225	LOOM