Cancer Care: Treatment Outcome Ontology	Functional Therapeutic Chemical Classification System	Source
http://purl.obolibrary.org/obo/CCTO_001085	http://purl.obolibrary.org/obo/GO_0042697	LOOM
http://purl.obolibrary.org/obo/CCTO_000114	http://purl.obolibrary.org/obo/GO_0016265	LOOM
http://purl.obolibrary.org/obo/CCTO_000108	http://purl.obolibrary.org/obo/GO_0006955	LOOM