Randomized Controlled Trials Ontology Drug Interaction and Evidence Ontology Source
http://www.owl-ontologies.com/RCTOntology.owl#Treatment http://purl.obolibrary.org/obo/OGMS_0000090 LOOM
http://www.owl-ontologies.com/RCTOntology.owl#Device http://purl.obolibrary.org/obo/OBI_0000968 LOOM