Occupational exposure and cigarette smoking: respiratory health protection in the workplace.
D003430:Cross-Sectional Studies; D006293:Health Promotion; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000209:etiology / Q000517:prevention & control*; D009784:Occupational Diseases / Q000517:prevention & control*; D009790:Occupations; D012129:Respiratory Function Tests; D012907:Smoking; D014028:Tobacco Smoke Pollution; D014481:United States
D014028:Tobacco Smoke Pollution