Breast Tissue Cell Lines Ontology	Cancer Care: Treatment Outcome Ontology	Source
http://purl.obolibrary.org/obo/CCTO_001032	http://purl.obolibrary.org/obo/MCBCC_0000005#PleuralEffusion	LOOM
http://purl.obolibrary.org/obo/CCTO_000383	http://purl.obolibrary.org/obo/MCBCC_0000004#PericardialEffusion	LOOM