title: The effect of exercise on intrinsic myocardial performance.
mesh_terms: D001794:Blood Pressure; D002302:Cardiac Output; D004562:Electrocardiography; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D010701:Phonocardiography; D010806:Physical Education and Training; D005082:Physical Exertion; D012044:Regression Analysis