Cancer Care: Treatment Outcome Ontology	Ontology of Clinical Research	Source
http://purl.obolibrary.org/obo/CCTO_000232	http://purl.org/net/OCRe/statistics.owl#OCRE200103	LOOM
http://purl.obolibrary.org/obo/CCTO_000072	http://purl.org/net/OCRe/OCRe.owl#OCRE400004	LOOM
http://purl.obolibrary.org/obo/CCTO_000003	http://purl.org/net/OCRe/OCRe.owl#OCRE400057	LOOM