Ventilatory function and work performance in a representative sample of 803 men age 54 years.
D003371:Cough / Q000453:epidemiology; D004417:Dyspnea / Q000453:epidemiology; D006321:Heart / Q000000981:diagnostic imaging; D006801:Humans; D008168:Lung / Q000502:physiology*; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D011446:Prospective Studies; D011859:Radiography; D012907:Smoking / Q000009:adverse effects; D013147:Spirometry; D013183:Sputum / Q000378:metabolism; D011795:Surveys and Questionnaires