NIH NLM Value Sets	Cardiovascular Magnetic Resonance Quality Assessment Ontology	Source
http://www.semanticweb.org/ukbiobank/ocmr_isg/CMR-QA#Ejection_Fraction	http://purl.bioontology.org/ontology/NLMVS/2.16.840.1.113883.3.526.3.1134	LOOM
http://www.semanticweb.org/ukbiobank/ocmr_isg/CMR-QA#Atrial_Fibrillation	http://purl.bioontology.org/ontology/ICD9CM/427.31	LOOM