THE VECTORCARDIOGRAM IN CHILDREN WITH LEFT AXIS DEVIATION AND NO APPARENT HEART DISEASE.
D000293:Adolescent; D002648:Child; D006321:Heart; D006329:Heart Conduction System; D006330:Heart Defects, Congenital; D006801:Humans; D014672:Vectorcardiography
ADOLESCENCE; CHILD; HEART CONDUCTION SYSTEM; HEART DEFECTS, CONGENITAL; VECTORCARDIOGRAPHY