title: Five year prospective study: use of submaximal stress testing.
mesh_terms: D000328:Adult; D000368:Aged; D003327:Coronary Disease / Q000175:diagnosis* / Q000517:prevention & control; D004562:Electrocardiography; D005069:Evaluation Studies as Topic; D005080:Exercise Test; D006334:Heart Function Tests; D006801:Humans; D008297:Male; D008875:Middle Aged; D009787:Occupational Medicine; D005082:Physical Exertion; D011446:Prospective Studies