title: PREVALENCE OF CHRONIC BRONCHITIS IN AN AMERICAN MALE URBAN INDUSTRIAL POPULATION.
mesh_terms: D000397:Air Pollution; D001991:Bronchitis; D029481:Bronchitis, Chronic; D002980:Climate; D004813:Epidemiology; D006361:Heating; D006801:Humans; D007087:Illinois; D009784:Occupational Diseases; D009787:Occupational Medicine; D015995:Prevalence; D012141:Respiratory Tract Infections; D012907:Smoking; D013147:Spirometry; D013183:Sputum; D013223:Statistics as Topic; D006113:United Kingdom; D014481:United States
keywords: AIR POLLUTION; BRONCHITIS; CLIMATE; EPIDEMIOLOGY; GREAT BRITAIN; HEATING; ILLINOIS; INDUSTRIAL MEDICINE; OCCUPATIONAL DISEASES; RESPIRATORY TRACT INFECTIONS; SMOKING; SPIROMETRY; SPUTUM; STATISTICS