National Drug File - Reference Terminology	Knowledge Object Reference Ontology	Source
http://purl.obolibrary.org/obo/BFO_0000001	http://purl.bioontology.org/ontology/STY/T071	LOOM
http://www.knowledgegrid.org/koro#KORO_326	http://purl.bioontology.org/ontology/STY/T033	LOOM