Taxonomy for Rehabilitation of Knee Conditions	Comparative Data Analysis Ontology	Source
http://purl.obolibrary.org/obo/TRAK_0000148	http://purl.obolibrary.org/obo/IAO_0000030	LOOM
http://purl.obolibrary.org/obo/TRAK_0001281	http://purl.obolibrary.org/obo/IAO_0000027	LOOM
http://purl.obolibrary.org/obo/TRAK_0001458	http://purl.obolibrary.org/obo/CDAO_0000031	LOOM