SNOMED CT	Library of Congress Media Types Scheme	Source
http://purl.bioontology.org/ontology/SNOMEDCT/257194007	http://id.loc.gov/vocabulary/mediaTypes/v	LOOM
http://purl.bioontology.org/ontology/SNOMEDCT/706692004	http://id.loc.gov/vocabulary/mediaTypes/c	LOOM