Phylogenetic Ontology	Radiology Lexicon	Source
http://www.co-ode.org/ontologies/ont.owl#Volume	http://www.radlex.org/RID/RID28668	LOOM
http://www.co-ode.org/ontologies/ont.owl#PHASE	http://www.radlex.org/RID/RID28698	LOOM