title: [Characteristics of the evolution of ECG in childhood].
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
vernacular_title: Kharakternye priznaki evoliutsii EKG v detskom vozraste.