title: [Evaluation of surgical result in mitral valvular stenosis--study of the P wave in exercise test].
mesh_terms: D000293:Adolescent; D000328:Adult; D004562:Electrocardiography; D005080:Exercise Test; D005260:Female; D006801:Humans; D008297:Male; D008946:Mitral Valve Stenosis / Q000601:surgery*