A study of multipole components of the cardioelectric field.
D000200:Action Potentials; D000293:Adolescent; D000328:Adult; D002648:Child; D006321:Heart / Q000502:physiology* / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000503:physiopathology; D006801:Humans; D008433:Mathematics