The prevalence of chronic obstructive pulmonary disease in chlorine gas workers.
D000388:Air / Q000032:analysis; D001991:Bronchitis / Q000139:chemically induced; D002713:Chlorine / Q000032:analysis; D002908:Chronic Disease; D003371:Cough / Q000175:diagnosis; D004417:Dyspnea / Q000175:diagnosis; D004781:Environmental Exposure; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008171:Lung Diseases / Q000139:chemically induced / Q000453:epidemiology*; D008297:Male; D009784:Occupational Diseases / Q000139:chemically induced / Q000453:epidemiology*; D010100:Oxygen / Q000627:therapeutic use; D011859:Radiography; D012129:Respiratory Function Tests; D012907:Smoking; D013147:Spirometry; D013183:Sputum / Q000032:analysis
D002713:Chlorine; D010100:Oxygen