Gazetteer	Cardiac Electrophysiology Ontology	Source
http://purl.obolibrary.org/obo/GAZ_00468462	http://www.cvrgrid.org/ontologies/Electrophysiology#I_Na	LOOM
http://purl.obolibrary.org/obo/GAZ_00013908	http://www.cvrgrid.org/ontologies/Electrophysiology#I_Na	LOOM
http://purl.obolibrary.org/obo/GAZ_00559192	http://www.cvrgrid.org/ontologies/Electrophysiology#I_Na	LOOM