title: Smoke and smoking in British bronchitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000397:Air Pollution; D001991:Bronchitis / Q000175:diagnosis / Q000453:epidemiology / Q000209:etiology*; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004787:Environmental Pollution; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009664:Norway; D012423:Rural Health; D012906:Smoke; D012907:Smoking / Q000150:complications*; D006113:United Kingdom; D014481:United States; D014505:Urban Population
chemical_list: D012906:Smoke