Clinical Trials Ontology - Neurodegenerative Diseases	RADx Data Hub Ontology	Source
http://w3id.org/radx/DATAHUB_0002080	http://www.co-ode.org/ontologies/ont.owl#Identifier	LOOM
http://w3id.org/radx/DATAHUB_0002069	http://www.co-ode.org/ontologies/ont.owl#Sample_size	LOOM