SNOMED CT	APA Statistical Cluster	Source
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Standard_Deviation	http://purl.bioontology.org/ontology/SNOMEDCT/386136009	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Mean	http://purl.bioontology.org/ontology/SNOMEDCT/255586005	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Normal_Distribution	http://purl.bioontology.org/ontology/SNOMEDCT/29746009	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Median	http://purl.bioontology.org/ontology/SNOMEDCT/260528009	LOOM