The Drug Ontology	Clinical Trials Ontology - Neurodegenerative Diseases	Source
http://www.semanticweb.org/ontologies/2012/0/Ontology1325521724189.owl#Treatment	http://purl.obolibrary.org/obo/OGMS_0000090	LOOM
http://www.semanticweb.org/ontologies/2012/0/Ontology1325521724189.owl#Placebo	http://purl.obolibrary.org/obo/DRON_00012179	LOOM