Process Chemistry Ontology	Epoch Clinical Trial Ontology	Source
http://epoch.stanford.edu/AssayOntology.owl#Assay	http://purl.obolibrary.org/obo/OBI_0000070	LOOM
http://epoch.stanford.edu/ProtocolOntology.owl#Protocol	http://purl.obolibrary.org/obo/OBI_0000272	LOOM