The effects of cigarette smoking cessation on 5-year pulmonary function changes in US underground coal miners.
D003032:Coal Mining; D005541:Forced Expiratory Volume; D006801:Humans; D008168:Lung / Q000503:physiopathology*; D008450:Maximal Midexpiratory Flow Rate; D011446:Prospective Studies; D012129:Respiratory Function Tests; D012907:Smoking; D014481:United States; D014797:Vital Capacity