title: Geographic distribution of chronic bronchitis.
mesh_terms: D000397:Air Pollution; D001315:Australia; D001991:Bronchitis / Q000453:epidemiology* / Q000401:mortality; D002170:Canada; D002908:Chronic Disease; D005006:Ethnicity; D005060:Europe; D006801:Humans; D007564:Japan; D008173:Lung Diseases, Obstructive / Q000453:epidemiology*; D009790:Occupations; D012907:Smoking / Q000150:complications; D006113:United Kingdom; D014481:United States; D014505:Urban Population