LinkML Common Metadata Elements and Terms	Mass Spectrometry Ontology	Source
https://w3id.org/linkml-common/Ratio	http://purl.obolibrary.org/obo/UO_0000190	LOOM
https://w3id.org/linkml-common/Duration	http://purl.obolibrary.org/obo/NCIT_C25330	LOOM