title: The effect of maximal treadmill exercise on the axis and amplitude of the ventricular depolarization wave.
mesh_terms: D000293:Adolescent; D000328:Adult; D000787:Angina Pectoris / Q000503:physiopathology*; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography / Q000379:methods*; D005080:Exercise Test; D005260:Female; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010809:Physical Fitness; D012189:Retrospective Studies; D012420:Running; D014952:Wrestling