[Features of ECG topograms in relation to the direction of cardiac electric axis in the frontal plane].
Gritsenko
E T
ET
D004562:Electrocardiography; D004594:Electrophysiology; D006321:Heart / Q000502:physiology*; D006801:Humans
Osobennosti EKG-topogramm v zavisimosti ot napravleniia élektricheskoĭ osi serdtsa vo frontal'noĭ ploskosti.