Plant Ontology	MedlinePlus Health Topics	Source
http://purl.bioontology.org/ontology/MEDLINEPLUS/C0009421	http://purl.obolibrary.org/obo/PO_0020061	LOOM
http://purl.bioontology.org/ontology/STY/T001	http://purl.obolibrary.org/obo/OBI_0100026	LOOM
http://purl.bioontology.org/ontology/STY/T044	http://purl.obolibrary.org/obo/GO_0003674	LOOM