Minimal Anatomical Terminology	Master Drug Data Base Clinical Drugs	Source
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