The Drug Ontology	Animal Health Ontology for Livestock	Source
http://purl.obolibrary.org/obo/DRON_00018778	http://www.ncbi.nlm.nih.gov/taxonomy/562	LOOM
http://purl.obolibrary.org/obo/OBI_0100026	http://opendata.inra.fr/AHOL/AHOL_0004000	LOOM