title: [Development of the electrical and mechanical activity of the myocardium during ontogenesis].
mesh_terms: D000818:Animals; D002415:Cats; D002642:Chick Embryo; D004285:Dogs; D004594:Electrophysiology; D006321:Heart / Q000196:embryology*; D008322:Mammals; D009200:Myocardial Contraction; D051381:Rats
vernacular_title: Stanovlenie élektricheskoĭ i mekhanicheskoĭ aktivnosti miokarda v ontogeneze.