The Drug Ontology	Bioentities	Source
http://purl.obolibrary.org/obo/BE_Protease	http://purl.obolibrary.org/obo/DRON_00017221	LOOM
http://purl.obolibrary.org/obo/BE_Fibrinogen	http://purl.obolibrary.org/obo/DRON_00018213	LOOM