Salmon Ontology Electrocardiography Ontology Source
http://ecoinformatics.org/oboe/oboe.1.2/oboe-core.owl#Entity http://www.ifomis.org/bfo/1.1#Entity LOOM
http://purl.obolibrary.org/obo/ENVO_00000480 http://www.cvrgrid.org/files/ECGOntologyv1.owl#ECG_000000498 LOOM