Systematized Nomenclature of Medicine, International Version Material Source
http://sweet.jpl.nasa.gov/2.3/matr.owl#Substance http://purl.bioontology.org/ontology/STY/T167 LOOM
http://sweet.jpl.nasa.gov/2.3/matr.owl#Chemical http://purl.bioontology.org/ontology/STY/T103 LOOM