title: [Coefficient of cardiac efficiency during physical training].
mesh_terms: D000818:Animals; D006321:Heart / Q000502:physiology*; D009200:Myocardial Contraction; D010101:Oxygen Consumption; D010805:Physical Conditioning, Animal; D005082:Physical Exertion; D010809:Physical Fitness; D051381:Rats
vernacular_title: Koéffitsient poleznogo deĭstviia serdtsa pri fizicheskoĭ trenirovke.