Systems Biology Ontology	National Drug File - Reference Terminology	Source
http://purl.bioontology.org/ontology/STY/T192	http://biomodels.net/SBO/SBO_0000244	LOOM
http://purl.bioontology.org/ontology/STY/T126	http://biomodels.net/SBO/SBO_0000014	LOOM