Minimal Standard Terminology of Digestive Endoscopy	Electrocardiography Ontology	Source
http://purl.bioontology.org/ontology/STY/T071	http://www.ifomis.org/bfo/1.1#Entity	LOOM
http://purl.bioontology.org/ontology/STY/T017	http://www.cvrgrid.org/files/ECGOntologyv1.owl#ECG_000000709	LOOM