Cigarette Smoke Exposure Ontology	Maize Gross Anatomy Ontology	Source
http://purl.obolibrary.org/obo/ExO_0000045	http://purl.obolibrary.org/obo/ZEA_0015149	LOOM
http://purl.obolibrary.org/obo/ExO_0000044	http://purl.obolibrary.org/obo/ZEA_0015050	LOOM