APA Statistical Cluster	Electrocardiography Ontology	Source
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Standard_Deviation	http://www.cvrgrid.org/files/ECGOntologyv1.owl#ECG_000001080	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Median	http://www.cvrgrid.org/files/ECGOntologyv1.owl#ECG_000000169	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Statistical_Analysis	http://www.cvrgrid.org/files/ECGOntologyv1.owl#ECG_000000019	LOOM