[Significance of physical exertion for the prevention of disorders of cardiac activity].
D000818:Animals; D002369:Castration; D004285:Dogs; D004562:Electrocardiography; D006331:Heart Diseases / Q000517:prevention & control*; D005082:Physical Exertion
Znachenie fizicheskoĭ nagruzki dlia predotvrashcheniia narusheniĭ serdechnoĭ deiatel'nosti.