title: Effect of brief and prolonged exercise on left ventricular function.
mesh_terms: D000328:Adult; D000818:Animals; D002302:Cardiac Output; D003971:Diastole; D004285:Dogs; D004562:Electrocardiography; D005080:Exercise Test; D006339:Heart Rate; D006352:Heart Ventricles / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D013318:Stroke Volume; D013599:Systole; D013997:Time Factors; D016276:Ventricular Function