General Formal Ontology	Master Drug Data Base Clinical Drugs	Source
http://purl.bioontology.org/ontology/STY/T051	http://www.onto-med.de/ontologies/gfo.owl#Event	LOOM
http://purl.bioontology.org/ontology/STY/T071	http://www.onto-med.de/ontologies/gfo.owl#Entity	LOOM