Electrocardiographic patterns of respiratory disease in a working population.
D000328:Adult; D001982:Bronchial Diseases / Q000453:epidemiology / Q000503:physiopathology*; D004417:Dyspnea / Q000503:physiopathology; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008131:London; D008171:Lung Diseases / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D011660:Pulmonary Heart Disease / Q000175:diagnosis; D012129:Respiratory Function Tests