Read Codes, Clinical Terms Version 3 (CTV3)	Interaction Ontology	Source
http://purl.obolibrary.org/obo/CTDI_3	http://purl.bioontology.org/ontology/STY/T052	LOOM
http://purl.obolibrary.org/obo/CTDI_23	http://purl.bioontology.org/ontology/RCD/XC0B5	LOOM