Vector loops from normal children recorded with the HCB spatial lead system.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004566:Electrodes; D005260:Female; D006329:Heart Conduction System; D006801:Humans; D008297:Male; D008722:Methods; D014672:Vectorcardiography / Q000295:instrumentation