: BFO_0000018http://purl.obolibrary.org/obo/ Create a prefix for http://purl.obolibrary.org/obo/ Hit Enter to save Double click to create a prefix | zero-dimensional spatial region @en | : obi.owlhttp://purl.obolibrary.org/obo/ Create a prefix for http://purl.obolibrary.org/obo/ Hit Enter to save Double click to create a prefix |