Breast Tissue Cell Lines Ontology	METPO	Source
http://purl.obolibrary.org/obo/UBERON_0001062	http://sig.biostr.washington.edu/fma3.0#AnatomicalEntity	LOOM
http://purl.obolibrary.org/obo/PR_000000001	http://purl.obolibrary.org/obo/MCBCC_0000015#Protein	LOOM
http://purl.obolibrary.org/obo/CHEBI_36080	http://purl.obolibrary.org/obo/MCBCC_0000015#Protein	LOOM