Electrocardiograms and exercise test in a health check. A study on forest workers.
D000328:Adult; D000367:Age Factors; D004562:Electrocardiography; D005080:Exercise Test; D006306:Health Surveys; D006331:Heart Diseases / Q000175:diagnosis; D006339:Heart Rate; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D012423:Rural Health; D013548:Sweden