ANALYSIS OF VENTILATION IN OLDER WORKERS IN FOUNDRY, MACHINE SHOP, AND OFFICE.
D000397:Air Pollution; D006801:Humans; D009787:Occupational Medicine; D009790:Occupations; D012129:Respiratory Function Tests; D012907:Smoking; D014691:Ventilation
AIR POLLUTION; INDUSTRIAL MEDICINE; OCCUPATIONS; RESPIRATORY FUNCTION TESTS; SMOKING