title: [Diagnostic significance of P wave changes during treadmill exercise test in angina pectoris].
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis* / Q000503:physiopathology; D001794:Blood Pressure; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged