NMDC Ontology	Randomized Controlled Trials Ontology	Source
http://purl.obolibrary.org/obo/OBI_0000968	http://www.owl-ontologies.com/RCTOntology.owl#Device	LOOM
http://purl.obolibrary.org/obo/CHEBI_23888	http://www.owl-ontologies.com/RCTOntology.owl#Drug	LOOM
http://purl.obolibrary.org/obo/PATO_0000161	http://www.owl-ontologies.com/RCTOntology.owl#Rate	LOOM
http://purl.obolibrary.org/obo/PATO_0001309	http://www.owl-ontologies.com/RCTOntology.owl#Duration	LOOM