RxNORM	Minimal Anatomical Terminology	Source
http://purl.obolibrary.org/obo/MAT_0000142	http://purl.bioontology.org/ontology/RXNORM/153101	LOOM
http://purl.obolibrary.org/obo/MAT_0000194	http://purl.bioontology.org/ontology/STY/T005	LOOM
http://purl.obolibrary.org/obo/MAT_0000373	http://purl.bioontology.org/ontology/STY/T010	LOOM