title: [Electrocardiograms of health infants].
mesh_terms: D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000502:physiology*; D006801:Humans; D007223:Infant; D008297:Male
vernacular_title: Osobennosti EKG zdorovykh deteĭ rannego vazrasta.