Logical Observation Identifier Names and Codes	HIVMutation	Source
http://www.semanticweb.org/ontologies/2015/1/Ontology1423442513400.owl#Purine	http://purl.bioontology.org/ontology/LNC/LP247699-4	LOOM
http://www.semanticweb.org/ontologies/2015/1/Ontology1423442513400.owl#Pyrimidine	http://purl.bioontology.org/ontology/LNC/LP247727-3	LOOM