Influenza Ontology Non-Randomized Controlled Trials Ontology Source
http://purl.obolibrary.org/obo/FLU_0000786 http://www.owl-ontologies.com/RCTOntology.owl#Date LOOM
http://purl.obolibrary.org/obo/OBI_0000181 http://www.owl-ontologies.com/RCTOntology.owl#Population LOOM
http://purl.obolibrary.org/obo/IAO_0000010 http://www.owl-ontologies.com/RCTOntology.owl#Software LOOM