Electrocardiographic disturbances in asymptomatic men in the course of seven years. I.
D000368:Aged; D002037:Bundle-Branch Block; D005117:Cardiac Complexes, Premature / Q000175:diagnosis*; D002784:Cholesterol / Q000097:blood; D004562:Electrocardiography; D005080:Exercise Test; D005500:Follow-Up Studies; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012907:Smoking
D002784:Cholesterol