Read Codes, Clinical Terms Version 3 (CTV3) OWL-Time Source
http://purl.bioontology.org/ontology/RCD/X800h http://www.w3.org/2006/time#Year LOOM
http://purl.bioontology.org/ontology/RCD/X8064 http://www.w3.org/2006/time#Year LOOM