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