[Contractile function of the myocardium in middle-aged and elderly persons under the influence of balneotherapy].
D000368:Aged; D000375:Aging; D001452:Balneology; D001494:Baths; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged
Sokratitel'naia funktsiia miokarda u liudeĭ pozhilogo i starcheskogo vozrasta pod vliianiem bal'neoterapii