LipidOntology National Drug File - Reference Terminology Source
http://purl.obolibrary.org/obo/LION_0015122 http://purl.bioontology.org/ontology/NDFRT/N0000022210 LOOM
http://purl.obolibrary.org/obo/LION_0000541 http://purl.bioontology.org/ontology/NDFRT/N0000146961 LOOM