RxNORM	Clinical Trials Ontology - Neurodegenerative Diseases	Source
http://purl.bioontology.org/ontology/STY/T100	http://www.semanticweb.org/ontologies/2012/0/Ontology1325521724189.owl#Age_group	LOOM
http://purl.bioontology.org/ontology/RXNORM/8375	http://www.semanticweb.org/ontologies/2012/0/Ontology1325521724189.owl#Placebo	LOOM