title: [Functional characteristics of the "old heart"].
mesh_terms: D000367:Age Factors; D000368:Aged; D000375:Aging; D006321:Heart / Q000502:physiology*; D006801:Humans; D009200:Myocardial Contraction; D009206:Myocardium / Q000378:metabolism; D010101:Oxygen Consumption
vernacular_title: K funktsional'noĭ kharakteristike "starcheskogo serdtsa".