title: [Evaluation of myocardial contractility in healthy elderly men by two dimensional echocardiography during bicycle exercise].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D004452:Echocardiography; D005080:Exercise Test; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction