LinkML Common Metadata Elements and Terms	FirstOntologyForUMMS	Source
https://w3id.org/linkml-common/Person	https://w3id.org/umms/ekg/onto01/person	LOOM
https://w3id.org/linkml-common/Event	http://www.semanticweb.org/rajas.gokhale/ontologies/2022/4/untitled-ontology-9#event	LOOM
https://w3id.org/linkml-common/Procedure	https://w3id.org/umms/ekg/onto01/procedure	LOOM