Sputum-cytologic changes in smokers and non-smokers in relation to chronic inflammatory lung diseases.
D004848:Epithelium; D006801:Humans; D008171:Lung Diseases / Q000473:pathology; D008175:Lung Neoplasms / Q000473:pathology; D008679:Metaplasia / Q000473:pathology; D012137:Respiratory System / Q000473:pathology*; D012907:Smoking; D013183:Sputum / Q000166:cytology*