Cancer Care: Treatment Outcome Ontology	International Classification of Primary Care - 2 PLUS	Source
http://purl.bioontology.org/ontology/ICPC2P/B83009	http://purl.obolibrary.org/obo/CCTO_001074	LOOM
http://purl.bioontology.org/ontology/ICPC2P/U14006	http://purl.obolibrary.org/obo/CCTO_000938	LOOM