Sputum cytology and occupational pulmonary disease.
D001249:Asthma / Q000473:pathology; D001984:Bronchial Neoplasms / Q000175:diagnosis / Q000473:pathology; D004781:Environmental Exposure; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis* / Q000473:pathology; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D009784:Occupational Diseases / Q000175:diagnosis* / Q000473:pathology; D011859:Radiography; D012907:Smoking / Q000150:complications; D013183:Sputum / Q000166:cytology*; D013997:Time Factors